myhelp.sh

#!/bin/bash

# echo "\n\n\n\n\n\n"
version="1.0"
cfg_path=$HOME"/myhelp_cfg.txt"

if [ -f "$cfg_path" ];then
  . ${cfg_path} # source 包含
else
cat <<End-of-message
首次使用, 请编辑配置文件: ${cfg_path}
End-of-message

cat  > ${cfg_path} <<End-of-message
zsh_path=$HOME/.zshrc
bash_path=$HOME/.bashrc
note_path=$HOME/myhelp_note.txt
local_path=$HOME/myhelp_local.txt
sync_url=""  # 远端同步URL,  类似 http://xxx.com/myhelp.txt
End-of-message
exit;
fi

cat <<End-of-message



-------------------------------------------------------------------------
          服务器命令行管理助手 ${version}
          https://github.com/cary929/myhelp
-------------------------------------------------------------------------
          命令:  #myhelp [参数]
          参数:
            cmd          显示个人添加的自定义命令
            note         显示笔记, 可从远端获取
            local        显示本地笔记, 只在本机使用, 不同步
            sync         获取远端帮助文件内容, 并覆盖本地的文件
-------------------------------------------------------------------------

End-of-message

for var in $*
do
    case "$var" in
      "note")
          if [ -f "${note_path}" ];then
            cat $note_path
          else
cat > ${note_path} <<End-of-message
#=====myhelp=====
End-of-message
cat <<End-of-message
已创建帮助文件模板, 您可以编辑使用 , 也可以使用下面命令来获取远端的帮助文件:
  #myhelp sync
End-of-message
          fi
          exit;;
      "local")
          if [ -f "${local_path}" ];then
            cat $local_path
          else
cat > ${local_path} <<End-of-message
#=====mylocal=====
End-of-message

cat <<End-of-message
已经为您添加本地帮助文件： ${local_path}
End-of-message
          fi
          exit;;
      "cmd")
          if [ -f "$zsh_path" ];then
            grep -A 200  =====myhelp_cmd===== ${zsh_path}
          else
            grep -A 50  =====myhelp_cmd===== ${bash_path}
          fi
          exit;;
      "sync" )
          if [ -z "$sync_url" ];then
            echo '同步URL未配置.'
          else
            wget -P ~ -O "${note_path}" -q ${sync_url}
            echo '同步成功'
          fi
          exit;;
      "version" ) echo "Version: ${version}"
          exit ;;
      "exit" ) exit;;
        * ) echo "不支持的命令"
    esac
done