refactor: introduce helper script, moved functions

scripts/helperscripts/inc.helper.sh

@@ -0,0 +1,17 @@
+# Reads a textfile and pipes all lines as args to the given command.
+# Does filter out comments.
+# Arguments:
+#   1    : textfile to read
+#   2... : command to receive args (e.g. 'echo', 'apt-get -y install', ...)
+call_with_args_from_file () {
+    local package_file="$1"
+    shift
+
+    sed 's|#.*||g' ${package_file} | xargs "$@"
+}
+
+# escape relevant chars for strings used in 'sed' commands. implies delimiter char '|'
+escape_for_sed() {
+	local escaped=$(echo "$1" | sed -e 's/[\&'\''|]/\\&/g')
+	echo "$escaped"
+}

scripts/helperscripts/setup_autohotspot.sh

@@ -14,18 +14,6 @@ if [[ "$#" -lt 2 || ( "${AUTOHOTSPOTconfig}" != "NO" && "${AUTOHOTSPOTconfig}" !
     exit 1
 fi
 
-# Reads a textfile and pipes all lines as args to the given command.
-# Does filter out comments.
-# Arguments:
-#   1    : textfile to read
-#   2... : command to receive args (e.g. 'echo', 'apt-get -y install', ...)
-call_with_args_from_file () {
-    local package_file="$1"
-    shift
-
-    sed 's/#.*//g' ${package_file} | xargs "$@"
-}
-
 _get_last_ip_segment() {
     local ip="$1"
     echo $ip | cut -d'.' -f1-3
@@ -80,6 +68,7 @@ wifi_interface=wlan0
 ip_without_last_segment=$(_get_last_ip_segment $AUTOHOTSPOTip)
 autohotspot_profile="Phoniebox_Hotspot"
 
+source "${JUKEBOX_HOME_DIR}"/scripts/helperscripts/inc.helper.sh
 source "${JUKEBOX_HOME_DIR}"/scripts/helperscripts/inc.networkHelper.sh
 
 _install_autohotspot_dhcpcd() {

scripts/installscripts/install-jukebox.sh

@@ -97,12 +97,6 @@ escape_for_shell() {
 	echo "$escaped"
 }
 
-# escape relevant chars for strings used in 'sed' commands. implies delimiter char '|'
-escape_for_sed() {
-	local escaped=$(echo "$1" | sed -e 's/[\&'\''|]/\\&/g')
-	echo "$escaped"
-}
-
 checkPrerequisite() {
     #currently the user 'pi' is mandatory
     #https://github.com/MiczFlor/RPi-Jukebox-RFID/issues/1785
@@ -837,18 +831,6 @@ web_server_config() {
     sudo chmod 440 "${sudoers_wwwdata}"
 }
 
-# Reads a textfile and pipes all lines as args to the given command.
-# Does filter out comments.
-# Arguments:
-#   1    : textfile to read
-#   2... : command to receive args (e.g. 'echo', 'apt-get -y install', ...)
-call_with_args_from_file () {
-    local package_file="$1"
-    shift
-
-    sed 's|#.*||g' ${package_file} | xargs "$@"
-}
-
 install_main() {
     local jukebox_dir="$1"
     local apt_get="sudo apt-get -qq --yes"
@@ -929,6 +911,7 @@ install_main() {
     cd "${HOME_DIR}"
     git clone ${GIT_URL} --branch "${GIT_BRANCH}"
 
+    source "${jukebox_dir}"/scripts/helperscripts/inc.helper.sh
     source "${jukebox_dir}"/scripts/helperscripts/inc.networkHelper.sh