my personal system management scripts system. This is the main script. All the command scripts are located in /usr/local/bin/myscripts .

my.sh

#!/bin/sh

myscript_dir=/usr/local/bin/myscripts

if [ $# -lt 1 ]; then
    echo "Usage:  $(basename $0) command_name [options]"
    echo "Help: "
    echo "\t list  (l)   --  show all available commands"
    echo "\t -     ll    --  show all available commands, long format"
    echo "\t -     la    --  show all available commands, full format"
    echo "\t edit  (e)   --  edit my script"
    echo "\twhich  (w)   --  show script path"
    echo "\tchmodx (x)   --  make script executable"
    exit 0
else
    cmd=$1
    shift 1
    if [ "$cmd" == "list" ] || [ "$cmd" == "l" ] ; then
        ls -G $myscript_dir
    elif [ "$cmd" == "ll" ] ; then
        ls -lG $myscript_dir
    elif [ "$cmd" == "la" ] || [ "$cmd" == "al" ] ; then
        ls -laG $myscript_dir
    elif [ "$cmd" == "edit" ] || [ "$cmd" == "e" ] ; then
        if [ $# -eq 0 ]; then
            mate /usr/local/bin/my
        else
            for script in $*;do
                mate $myscript_dir/$script
            done
            unset script
        fi
    elif [ "$cmd" == "which" ] || [ "$cmd" == "w" ]; then
        for script in $*;do
            filename=$myscript_dir/$script
            if [ -e $filename ]; then
                echo $filename
            fi
        done
        unset script
    elif [ "$cmd" == "chmodx" ] || [ "$cmd" == "x" ]; then
        for script in $*;do
            filename=$myscript_dir/$script
            if [ -e $filename ]; then
                chmod +x $filename
            fi
        done
        unset script
    else
        if [ $# -lt 1 ]; then
            $myscript_dir/$cmd
        else
            $myscript_dir/$cmd "$@"
        fi
    fi
fi

unset myscript_dir