Shell

批量移动

mv `find ./TheEconomist2021-main/ -name \*.epub ` ./

如果存在

if [ ! -d "$Year_dir" ]; then
        mkdir $Year_dir
fi

if [ ! -f "/data/filename" ];then
  echo "文件不存在"
  else
  rm -f /data/filename
fi

批量kill

ps -ef | grep firefox
kill `pgrep Adobe`

请求输入

#! /bin/bash

read -p "Enter your name, please: " username

read -p "Enter your email, please: " email

read -p "Are you sure to continue? [y/n] " input

case $input in
        [yY]*)
                echo "Your name is $username"
                echo "Your email is $email"
                ;;
        [nN]*)
                exit
                ;;
        *)
                echo "Just enter y or n, please."
                exit
                ;;
esac

进入 root

sudo -i