update bake

bake

@@ -1,16 +1,16 @@
 #!/usr/bin/env bash
 
 # On Mac OS, readlink -f doesn't work, so use._real_path get the real path of the file
-_real_path() (
-  cd "$(dirname "$1")"
+_real_path() {
+  cd "$(dirname "$1")" || exit
   file="$PWD/$(basename "$1")"
   while [[ -L "$file" ]]; do
     file="$(readlink "$file")"
-    cd -P "$(dirname "$file")"
+    cd -P "$(dirname "$file")" || exit
     file="$PWD/$(basename "$file")"
   done
   echo "$file"
-)
+}
 SCRIPT_PATH="$(_real_path "${BASH_SOURCE[0]}")"
 SCRIPT_DIR="$(dirname "$SCRIPT_PATH")"
 SCRIPT_FILE="$(basename "$SCRIPT_PATH")"
@@ -86,6 +86,7 @@ run() {
 
 #   flutter_note flutter create --platforms=macos .
 install() {
+  _install_bake
   run git lfs install
 }
 
@@ -138,11 +139,6 @@ build() {      p.flutter_note flutter build web -v --release --tree-shake-icons
 preview.web() { run p.flutter_note deno run --allow-env --allow-read --allow-sys --allow-net npm:http-server ./build/web --port 8000 -g --brotli; }
 preview.macos() (  run p.flutter_note open build/macos/Build/Products/Release/flutter_note.app ; )
 
-#   http-server 不支持base href设置，所以单独build,并设置base-href为"/",而github-pages的base-href必须是repository名
-#    build "$@"
-#   	npx http-server ./flutter_note/build/web --port 8000
-web.serve() {     run p.flutter_note deno run --allow-env --allow-read --allow-sys --allow-net npm:http-server ./build/web --port 8000 -g --brotli ;}
-
 clean() { p.all flutter clean; rm -rf build;}
 
 gen.all() {  gen.notes;  } #  gen.mate;不再用了

spaces/shell/core/note.bash

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+set -o errtrace # -E trap inherited in sub script
+set -o errexit # -e
+set -o functrace # -T If set, any trap on DEBUG and RETURN are inherited by shell functions
+set -o pipefail  # default pipeline status==last command status, If set, status=any command fail
+
+# 模版代码，获取文件真实路径
+# On Mac OS, readlink -f doesn't work, so use._real_path get the real path of the file
+_real_path() {
+  cd "$(dirname "$1")" || exit
+  file="$PWD/$(basename "$1")"
+  while [[ -L "$file" ]]; do
+    file="$(readlink "$file")"
+    cd -P "$(dirname "$file")" || exit
+    file="$PWD/$(basename "$file")"
+  done
+  echo "$file"
+}
+
+SCRIPT_PATH="$(_real_path "${BASH_SOURCE[0]}")"
+SCRIPT_DIR="$(dirname "$SCRIPT_PATH")"
+#SCRIPT_FILE="$(basename "$SCRIPT_PATH")"
+
+source "$SCRIPT_DIR/../note.common.bash"
+
+print.markdown <<'MARKDOWN_END'
+# bash 核心 - 命令行、字符串、分割符、转义
+
+了解字符串，字符串分割，转义，是bash的核心
+
+## 转义字符串
+
+MARKDOWN_END
+
+
+(
+  # 了解字符串，字符串分割，转义，是bash的核心
+  unescaped_string="Hello
+  World"
+  # 使用printf命令，"%b"参数可以正确处理转义字符
+  printf -v escaped_string "%q" "$unescaped_string"
+
+  echo "escaped_string: $escaped_string"
+)
+
+
+(
+  # 了解字符串，字符串分割，转义，是bash的核心
+  escaped_string="Hello\nWorld"
+  # 使用printf命令，"%b"参数可以正确处理转义字符
+  printf -v unescaped_string "%b" "$escaped_string"
+
+  echo "unescaped_string: $unescaped_string"
+)

spaces/shell/note.common.bash

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+set -o errtrace # -E trap inherited in sub script
+set -o errexit # -e
+set -o functrace # -T If set, any trap on DEBUG and RETURN are inherited by shell functions
+set -o pipefail  # default pipeline status==last command status, If set, status=any command fail
+
+# 模版代码，获取文件真实路径
+# On Mac OS, readlink -f doesn't work, so use._real_path get the real path of the file
+_real_path() {
+  cd "$(dirname "$1")" || exit
+  file="$PWD/$(basename "$1")"
+  while [[ -L "$file" ]]; do
+    file="$(readlink "$file")"
+    cd -P "$(dirname "$file")" || exit
+    file="$PWD/$(basename "$file")"
+  done
+  echo "$file"
+}
+
+SCRIPT_PATH="$(_real_path "${BASH_SOURCE[0]}")"
+SCRIPT_DIR="$(dirname "$SCRIPT_PATH")"
+SCRIPT_FILE="$(basename "$SCRIPT_PATH")"
+
+print.markdown(){
+  # IFS= 表示将IFS清空，也就是将内部字段分隔符设置为空字符串，这样一来，在执行 read 命令时，
+  # 将整行文本视为一个单独的字段（即使行中有多个空格、制表符或换行符）。
+  # -r 参数告诉 read 命令不进行反斜杠转义（backslash escaping），即不对行中的反斜杠进行特殊处理。
+  while IFS= read -r line; do
+    echo "$line"
+  done
+}

vendor/bake.bash

@@ -8,13 +8,10 @@ set -o pipefail  # default pipeline status==last command status, If set, status=
 _bake_version=v0.3.20240327
 
 # v0.2.20230528 - It can run normally on macos
-# todo
-#   1. 当前 无法判断错误命令：./bake no_this_cmd ,因为不知道这是否是此命令的参数，
-#      需要设置设一个简单的规则：只有叶子命令才能正常执行，这样非叶子命令就不需要有参数
-#   2. 当前 无法判断错误options：./bake --no_this_opt ,同上
-#   3. 类似flutter run [no-]pub 反向选项
-#
 # bake == (bash)ake == 去Make的bash tool
+# 
+# https://github.com/chen56/bake
+#
 # bake 是个简单的命令行工具，以替代Makefile的子命令功能
 # make工具的主要特点是处理文件依赖进行增量编译，但flutter、golang、java、js项目的build工具
 # 太厉害了，这几年唯一还在用Makefile的理由就是他的子命令机制: "make build"、
@@ -55,6 +52,12 @@ _bake_version=v0.3.20240327
 # 范例可以看实际案例：
 #     - https://github.com/chen56/note/blob/main/bake
 #     - https://github.com/chen56/younpc/blob/main/bake
+# todo
+#   1. 当前 无法判断错误命令：./bake no_this_cmd ,因为不知道这是否是此命令的参数，
+#      需要设置设一个简单的规则：只有叶子命令才能正常执行，这样非叶子命令就不需要有参数
+#   2. 当前 无法判断错误options：./bake --no_this_opt ,同上
+#   3. 类似flutter run [no-]pub 反向选项
+# 
 
 
 # check bake dependencies
@@ -126,7 +129,6 @@ bake._throw(){
   return 1
 }
 bake._error() {
-  if [[ "${_LOG_LEVELS[@]:0}" != *"$LOG"* ]]; then return 0; fi
   bake._log "$@"
 }
 bake._info() {
@@ -140,7 +142,6 @@ bake._debug() {
 bake._log(){
   local level;
   level=$1
-  if [[ "${_LOG_LEVELS[@]:2}" != *"$LOG"* ]]; then return 0; fi
   echo -e "$level $(date "+%F %T") $(bake._pwd)\$ ${FUNCNAME[1]}() : $*" >&2
 }
 
@@ -168,13 +169,24 @@ TYPE_CMD="type:cmd"
 # bake._path_dirname a/b/c  a/b    => c
 bake._str_cutLeft() { printf "${1#$2}"; }
 
-# Usage: bake.str.split <str> [delimiter:default /]
+# 分割字符串
+# Usage: bake._str_split <str> [delimiter:default /]
+# Example: bake._str_split "a/b/c" "/"
+#  => $'a\nb\nc'    # 会把字符串分割为以换行符间隔的字符串
 bake._str_split() {
-  local str=$1 delimiter=${2:-/}
-  #  # use <() process-substitution
-  #  # don't use <<< "" its add newline
+  #${delimiter:-DEFAULT}  unset 或null 都给默认值
+  # https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html
+  local str="$1"
+  local delimiter="${2:-/}"
+
+  #   use <() process-substitution
+  #   or here string  <<< "" its add newline
   local arr
-  readarray -t arr < <(printf '%s' "${str//$delimiter/$'\n'}")
+  # https://helpmanual.io/builtin/readarray/
+  # -d   The first character of delim is used to terminate each input line, rather than newline.
+  # -t   Remove a trailing delim (default newline) from each line read.
+  readarray -t -d "$delimiter" arr <<< "${str}"
+  # same as: for i in  "${arr[@]}"; do echo "$i" done
   printf '%s\n' "${arr[@]}"
 }