[add][adj]

add: language_contral_package.sh, extra_function script, maybe change filename in the feature.
adj: config/.customfunction, adjust format.

Author: tw-yshuang

config/.customfunction

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # for speed up shell
-nvm() {
+nvm(){
   echo "🚨 NVM not loaded! Loading now..."
   unset -f nvm
   export NVM_PREFIX="$HOME/.nvm"
@@ -10,7 +10,7 @@ nvm() {
 }
 
 # extra pipenv command
-pipenv_correspond() {
+pipenv_correspond(){
   local isDefault=true
   local isLS=true
   local isRM=false

language_contral_package.sh

@@ -0,0 +1,161 @@
+#!/usr/bin/env bash
+#>            +-----------------------+
+#>            |  custom_functions.sh  |
+#>            +-----------------------+
+#-
+#- SYNOPSIS
+#-
+#-    ./custom_functions.sh [-h]
+#-
+#- OPTIONS
+#-
+#-    -y,                    all accept.
+#-    -h, --help             print help information.
+#-    -no_nvm                do not build extra function in nvm
+#-    -no_pipenv_correspond  do not build pipenv_correspond()
+#-    
+#-
+#- EXAMPLES
+#-
+#-    $ ./custom_functions.sh -y
+
+#====================================================
+# Part 1. Option Tool
+#====================================================
+# Print script help
+function show_script_help(){
+    echo
+    head -17 $0 | # find this file top 16 lines.
+    grep "^#[-|>]" | # show the line that include "#-" or "#>".
+    sed -e "s/^#[-|>]*//1" # use nothing to replace "#-" or "#>" that the first keyword in every line.  
+    echo 
+}
+# Receive arguments in slient mode.
+all_accept=0
+no_nvm=false
+no_pipenv_correspond=false
+
+if [ "$#" -gt 0 ]; then
+    while [ "$#" -gt 0 ]; do
+        case "$1" in
+            # Help
+            "-h"|"--help")
+                show_script_help
+                exit 1
+            ;;
+            # All Accept
+            "-y")
+                all_accept=1
+                shift 1
+            ;;
+            "-no_nvm")
+                no_nvm=true
+            ;;
+            "-no_pipenv_correspond")
+                no_pipenv_correspond=true
+            ;;
+        esac
+    done
+fi
+
+function Echo_Color(){
+    case $1 in
+        r* | R* )
+        COLOR='\e[31m'
+        ;;
+        g* | G* )
+        COLOR='\e[32m'
+        ;;
+        y* | Y* )
+        COLOR='\e[33m'
+        ;;
+        b* | B* )
+        COLOR='\e[34m'
+        ;;
+        *)
+        echo "$COLOR Wrong COLOR keyword!\e[0m" 
+        ;;
+    esac
+    echo -e "$COLOR$2\e[0m"
+}
+
+function Ask_yn(){
+    printf "\e[33m$1\e[0m\e[33m [y/n] \e[0m"
+    if [ $all_accept = 1 ]; then
+        printf "-y\n"
+        return 1
+    fi
+    read respond
+    if [ "$respond" = "y" -o "$respond" = "Y" -o "$respond" = "" ]; then
+        return 1
+    elif [ "$respond" = "n" -o "$respond" = "N" ]; then
+        return 0
+    else
+        Echo_Color r 'wrong command!!'
+        Ask_yn $1
+        return $?
+    fi
+    unset respond
+}
+
+#====================================================
+# Part 2. Main
+#====================================================
+custom_func_keyword="~/.customfunction"
+custom_func_root=~/.customfunction
+
+func_begin_arr=($(grep -xn "^\S*(){" ./config/.customfunction)) # \S: match non-whitespace character
+func_end_arr=($(grep -xn "}" ./config/.customfunction))
+
+function Get_function_code(){
+    for key in ${!func_end_arr[*]}; do
+        if echo ${func_begin_arr[$key]} | grep --silent -i $1; then
+          declare -i begin=$(echo ${func_begin_arr[$key]} | cut -d ':' -f 1)-1
+          declare -i end=$(echo ${func_end_arr[$key]} | cut -d ':' -f 1)+1
+          function_code=$(sed -n "$begin,$end p" ./config/.customfunction)
+        fi
+    done
+}
+
+case $SHELL in
+    *zsh )
+    shell=zsh
+    profile=~/.zshrc
+    ;;
+    *bash )
+    shell=bash
+    profile=~/.bashrc
+    ;;
+    *ksh )
+    shell=ksh
+    profile=~/.profile
+    ;;
+    * )
+    Echo_Color r "Unknow shell, need to manually add $custom_func_keyword on your shell profile!!"
+    ;;
+esac
+
+echo '#!/usr/bin/env bash' > $custom_func_root
+if grep -n "source $custom_func_keyword" $profile; then
+    echo "$custom_func_keyword is already in the $profile"
+else
+    Echo_Color y "Write: source $custom_func_keyword into $profile"
+    printf "\n# custom func. by self\nsource $custom_func_keyword\n" >> $profile
+fi
+
+if ! $no_nvm; then
+    # delete original nvm setting in the profile
+    num_original_line=$(grep -xn 'export NVM_DIR="$HOME/.nvm"' $profile | head -n 1 | cut -d ':' -f 1)
+    if [ "$num_original_line" -gt 0 ]; then
+        Echo_Color y "remove the office support method..."
+        sed -i "$num_original_line, $(($num_original_line + 2))d" $profile
+    fi
+
+    Get_function_code "nvm"; printf "\n$function_code\n" >> $custom_func_root
+fi
+
+if ! $no_pipenv_correspond; then
+    Get_function_code "pipenv_correspond"; printf "\n$function_code\n" >> $custom_func_root
+fi
+
+Echo_Color g "Done config!!"