diff --git a/bin/exercise_test.ps1 b/bin/exercise_test.ps1
index 7a2bb33b..b700fa67 100644
--- a/bin/exercise_test.ps1
+++ b/bin/exercise_test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/bin/exercise_test.sh b/bin/exercise_test.sh
index 7b4a9da0..47e25f10 100644
--- a/bin/exercise_test.sh
+++ b/bin/exercise_test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/acronym/test.ps1 b/exercises/practice/acronym/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/acronym/test.ps1
+++ b/exercises/practice/acronym/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/acronym/test.sh b/exercises/practice/acronym/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/acronym/test.sh
+++ b/exercises/practice/acronym/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/all-your-base/test.ps1 b/exercises/practice/all-your-base/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/all-your-base/test.ps1
+++ b/exercises/practice/all-your-base/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/all-your-base/test.sh b/exercises/practice/all-your-base/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/all-your-base/test.sh
+++ b/exercises/practice/all-your-base/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/allergies/test.ps1 b/exercises/practice/allergies/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/allergies/test.ps1
+++ b/exercises/practice/allergies/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/allergies/test.sh b/exercises/practice/allergies/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/allergies/test.sh
+++ b/exercises/practice/allergies/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/anagram/test.ps1 b/exercises/practice/anagram/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/anagram/test.ps1
+++ b/exercises/practice/anagram/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/anagram/test.sh b/exercises/practice/anagram/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/anagram/test.sh
+++ b/exercises/practice/anagram/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/armstrong-numbers/test.ps1 b/exercises/practice/armstrong-numbers/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/armstrong-numbers/test.ps1
+++ b/exercises/practice/armstrong-numbers/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/armstrong-numbers/test.sh b/exercises/practice/armstrong-numbers/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/armstrong-numbers/test.sh
+++ b/exercises/practice/armstrong-numbers/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/atbash-cipher/test.ps1 b/exercises/practice/atbash-cipher/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/atbash-cipher/test.ps1
+++ b/exercises/practice/atbash-cipher/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/atbash-cipher/test.sh b/exercises/practice/atbash-cipher/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/atbash-cipher/test.sh
+++ b/exercises/practice/atbash-cipher/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/binary-search/test.ps1 b/exercises/practice/binary-search/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/binary-search/test.ps1
+++ b/exercises/practice/binary-search/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/binary-search/test.sh b/exercises/practice/binary-search/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/binary-search/test.sh
+++ b/exercises/practice/binary-search/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/binary/test.ps1 b/exercises/practice/binary/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/binary/test.ps1
+++ b/exercises/practice/binary/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/binary/test.sh b/exercises/practice/binary/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/binary/test.sh
+++ b/exercises/practice/binary/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/bob/test.ps1 b/exercises/practice/bob/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/bob/test.ps1
+++ b/exercises/practice/bob/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/bob/test.sh b/exercises/practice/bob/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/bob/test.sh
+++ b/exercises/practice/bob/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/circular-buffer/test.ps1 b/exercises/practice/circular-buffer/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/circular-buffer/test.ps1
+++ b/exercises/practice/circular-buffer/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/circular-buffer/test.sh b/exercises/practice/circular-buffer/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/circular-buffer/test.sh
+++ b/exercises/practice/circular-buffer/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/collatz-conjecture/test.ps1 b/exercises/practice/collatz-conjecture/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/collatz-conjecture/test.ps1
+++ b/exercises/practice/collatz-conjecture/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/collatz-conjecture/test.sh b/exercises/practice/collatz-conjecture/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/collatz-conjecture/test.sh
+++ b/exercises/practice/collatz-conjecture/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/complex-numbers/test.ps1 b/exercises/practice/complex-numbers/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/complex-numbers/test.ps1
+++ b/exercises/practice/complex-numbers/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/complex-numbers/test.sh b/exercises/practice/complex-numbers/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/complex-numbers/test.sh
+++ b/exercises/practice/complex-numbers/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/darts/test.ps1 b/exercises/practice/darts/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/darts/test.ps1
+++ b/exercises/practice/darts/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/darts/test.sh b/exercises/practice/darts/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/darts/test.sh
+++ b/exercises/practice/darts/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/diamond/test.ps1 b/exercises/practice/diamond/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/diamond/test.ps1
+++ b/exercises/practice/diamond/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/diamond/test.sh b/exercises/practice/diamond/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/diamond/test.sh
+++ b/exercises/practice/diamond/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/difference-of-squares/test.ps1 b/exercises/practice/difference-of-squares/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/difference-of-squares/test.ps1
+++ b/exercises/practice/difference-of-squares/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/difference-of-squares/test.sh b/exercises/practice/difference-of-squares/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/difference-of-squares/test.sh
+++ b/exercises/practice/difference-of-squares/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/eliuds-eggs/test.ps1 b/exercises/practice/eliuds-eggs/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/eliuds-eggs/test.ps1
+++ b/exercises/practice/eliuds-eggs/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/eliuds-eggs/test.sh b/exercises/practice/eliuds-eggs/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/eliuds-eggs/test.sh
+++ b/exercises/practice/eliuds-eggs/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/grade-school/test.ps1 b/exercises/practice/grade-school/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/grade-school/test.ps1
+++ b/exercises/practice/grade-school/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/grade-school/test.sh b/exercises/practice/grade-school/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/grade-school/test.sh
+++ b/exercises/practice/grade-school/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/hamming/test.ps1 b/exercises/practice/hamming/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/hamming/test.ps1
+++ b/exercises/practice/hamming/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/hamming/test.sh b/exercises/practice/hamming/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/hamming/test.sh
+++ b/exercises/practice/hamming/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/hello-world/test.ps1 b/exercises/practice/hello-world/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/hello-world/test.ps1
+++ b/exercises/practice/hello-world/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/hello-world/test.sh b/exercises/practice/hello-world/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/hello-world/test.sh
+++ b/exercises/practice/hello-world/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/high-scores/test.ps1 b/exercises/practice/high-scores/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/high-scores/test.ps1
+++ b/exercises/practice/high-scores/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/high-scores/test.sh b/exercises/practice/high-scores/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/high-scores/test.sh
+++ b/exercises/practice/high-scores/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/isogram/test.ps1 b/exercises/practice/isogram/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/isogram/test.ps1
+++ b/exercises/practice/isogram/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/isogram/test.sh b/exercises/practice/isogram/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/isogram/test.sh
+++ b/exercises/practice/isogram/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/knapsack/test.ps1 b/exercises/practice/knapsack/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/knapsack/test.ps1
+++ b/exercises/practice/knapsack/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/knapsack/test.sh b/exercises/practice/knapsack/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/knapsack/test.sh
+++ b/exercises/practice/knapsack/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/leap/test.ps1 b/exercises/practice/leap/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/leap/test.ps1
+++ b/exercises/practice/leap/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/leap/test.sh b/exercises/practice/leap/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/leap/test.sh
+++ b/exercises/practice/leap/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/luhn/test.ps1 b/exercises/practice/luhn/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/luhn/test.ps1
+++ b/exercises/practice/luhn/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/luhn/test.sh b/exercises/practice/luhn/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/luhn/test.sh
+++ b/exercises/practice/luhn/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/matching-brackets/test.ps1 b/exercises/practice/matching-brackets/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/matching-brackets/test.ps1
+++ b/exercises/practice/matching-brackets/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/matching-brackets/test.sh b/exercises/practice/matching-brackets/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/matching-brackets/test.sh
+++ b/exercises/practice/matching-brackets/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/meetup/test.ps1 b/exercises/practice/meetup/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/meetup/test.ps1
+++ b/exercises/practice/meetup/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/meetup/test.sh b/exercises/practice/meetup/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/meetup/test.sh
+++ b/exercises/practice/meetup/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/nucleotide-count/test.ps1 b/exercises/practice/nucleotide-count/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/nucleotide-count/test.ps1
+++ b/exercises/practice/nucleotide-count/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/nucleotide-count/test.sh b/exercises/practice/nucleotide-count/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/nucleotide-count/test.sh
+++ b/exercises/practice/nucleotide-count/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/pangram/test.ps1 b/exercises/practice/pangram/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/pangram/test.ps1
+++ b/exercises/practice/pangram/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/pangram/test.sh b/exercises/practice/pangram/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/pangram/test.sh
+++ b/exercises/practice/pangram/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/pascals-triangle/test.ps1 b/exercises/practice/pascals-triangle/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/pascals-triangle/test.ps1
+++ b/exercises/practice/pascals-triangle/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/pascals-triangle/test.sh b/exercises/practice/pascals-triangle/test.sh
index 7b4a9da0..47e25f10 100644
--- a/exercises/practice/pascals-triangle/test.sh
+++ b/exercises/practice/pascals-triangle/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/pig-latin/test.ps1 b/exercises/practice/pig-latin/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/pig-latin/test.ps1
+++ b/exercises/practice/pig-latin/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/pig-latin/test.sh b/exercises/practice/pig-latin/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/pig-latin/test.sh
+++ b/exercises/practice/pig-latin/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/protein-translation/test.ps1 b/exercises/practice/protein-translation/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/protein-translation/test.ps1
+++ b/exercises/practice/protein-translation/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/protein-translation/test.sh b/exercises/practice/protein-translation/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/protein-translation/test.sh
+++ b/exercises/practice/protein-translation/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/queen-attack/test.ps1 b/exercises/practice/queen-attack/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/queen-attack/test.ps1
+++ b/exercises/practice/queen-attack/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/queen-attack/test.sh b/exercises/practice/queen-attack/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/queen-attack/test.sh
+++ b/exercises/practice/queen-attack/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/raindrops/test.ps1 b/exercises/practice/raindrops/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/raindrops/test.ps1
+++ b/exercises/practice/raindrops/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/raindrops/test.sh b/exercises/practice/raindrops/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/raindrops/test.sh
+++ b/exercises/practice/raindrops/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/reverse-string/test.ps1 b/exercises/practice/reverse-string/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/reverse-string/test.ps1
+++ b/exercises/practice/reverse-string/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/reverse-string/test.sh b/exercises/practice/reverse-string/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/reverse-string/test.sh
+++ b/exercises/practice/reverse-string/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/rna-transcription/test.ps1 b/exercises/practice/rna-transcription/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/rna-transcription/test.ps1
+++ b/exercises/practice/rna-transcription/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/rna-transcription/test.sh b/exercises/practice/rna-transcription/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/rna-transcription/test.sh
+++ b/exercises/practice/rna-transcription/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/robot-simulator/test.ps1 b/exercises/practice/robot-simulator/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/robot-simulator/test.ps1
+++ b/exercises/practice/robot-simulator/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/robot-simulator/test.sh b/exercises/practice/robot-simulator/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/robot-simulator/test.sh
+++ b/exercises/practice/robot-simulator/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/roman-numerals/test.ps1 b/exercises/practice/roman-numerals/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/roman-numerals/test.ps1
+++ b/exercises/practice/roman-numerals/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/roman-numerals/test.sh b/exercises/practice/roman-numerals/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/roman-numerals/test.sh
+++ b/exercises/practice/roman-numerals/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/rotational-cipher/test.ps1 b/exercises/practice/rotational-cipher/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/rotational-cipher/test.ps1
+++ b/exercises/practice/rotational-cipher/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/rotational-cipher/test.sh b/exercises/practice/rotational-cipher/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/rotational-cipher/test.sh
+++ b/exercises/practice/rotational-cipher/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/scrabble-score/test.ps1 b/exercises/practice/scrabble-score/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/scrabble-score/test.ps1
+++ b/exercises/practice/scrabble-score/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/scrabble-score/test.sh b/exercises/practice/scrabble-score/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/scrabble-score/test.sh
+++ b/exercises/practice/scrabble-score/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/secret-handshake/test.ps1 b/exercises/practice/secret-handshake/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/secret-handshake/test.ps1
+++ b/exercises/practice/secret-handshake/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/secret-handshake/test.sh b/exercises/practice/secret-handshake/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/secret-handshake/test.sh
+++ b/exercises/practice/secret-handshake/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/sieve/test.ps1 b/exercises/practice/sieve/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/sieve/test.ps1
+++ b/exercises/practice/sieve/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/sieve/test.sh b/exercises/practice/sieve/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/sieve/test.sh
+++ b/exercises/practice/sieve/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/space-age/test.ps1 b/exercises/practice/space-age/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/space-age/test.ps1
+++ b/exercises/practice/space-age/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/space-age/test.sh b/exercises/practice/space-age/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/space-age/test.sh
+++ b/exercises/practice/space-age/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/square-root/test.ps1 b/exercises/practice/square-root/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/square-root/test.ps1
+++ b/exercises/practice/square-root/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/square-root/test.sh b/exercises/practice/square-root/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/square-root/test.sh
+++ b/exercises/practice/square-root/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/triangle/test.ps1 b/exercises/practice/triangle/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/triangle/test.ps1
+++ b/exercises/practice/triangle/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/triangle/test.sh b/exercises/practice/triangle/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/triangle/test.sh
+++ b/exercises/practice/triangle/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/two-fer/test.ps1 b/exercises/practice/two-fer/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/two-fer/test.ps1
+++ b/exercises/practice/two-fer/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/two-fer/test.sh b/exercises/practice/two-fer/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/two-fer/test.sh
+++ b/exercises/practice/two-fer/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck
diff --git a/exercises/practice/yacht/test.ps1 b/exercises/practice/yacht/test.ps1
index 7a2bb33b..b700fa67 100644
--- a/exercises/practice/yacht/test.ps1
+++ b/exercises/practice/yacht/test.ps1
@@ -1,7 +1,11 @@
 $slug=Split-Path $PSScriptRoot -Leaf
 $cobolcheck = Join-Path -Path "${HOME}" "cobolcheck" "cobolcheck.exe"
+$cobolcheckCmd = Get-Command "cobolcheck.exe" -ErrorAction SilentlyContinue
 
-if (![System.IO.File]::Exists("$cobolcheck")){
+if ($cobolcheckCmd) {
+  $cobolcheck = $cobolcheckCmd.Path
+  Write-Output "Found cobolcheck, using $cobolcheck"
+} elseif (![System.IO.File]::Exists("$cobolcheck")){
   $fetchCobolcheckPath = Join-Path -Path "${PSScriptRoot}" "bin" "fetch-cobolcheck.ps1"
   echo $fetchCobolcheckPath
   Write-Output "Cobolcheck not found. Trying to fetch it."
diff --git a/exercises/practice/yacht/test.sh b/exercises/practice/yacht/test.sh
index 7b4a9da0..47e25f10 100755
--- a/exercises/practice/yacht/test.sh
+++ b/exercises/practice/yacht/test.sh
@@ -3,7 +3,11 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/
 SLUG=${1:-$(basename "${SCRIPT_DIR}")}
 COBOLCHECK="${HOME}/cobolcheck/cobolcheck"
 
-if [ ! -f "${COBOLCHECK}" ]; then
+WHICH_COBOLCHECK=$(which cobolcheck)
+if [[ $? -eq 0 ]] ; then
+    echo "Found cobolcheck, using $COBOLCHECK"
+    COBOLCHECK=$WHICH_COBOLCHECK
+elif [ ! -f "${COBOLCHECK}" ]; then
     echo "Cobolcheck not found, try to fetch it."
     cd $SCRIPT_DIR/bin/
     bash fetch-cobolcheck