编写一个脚本。菜单为：

1、创建用户 2、创建目录 3、创建文件 4、修改目录文件 5、修改文件权限 6、删除目录或者文件 7、退出 #!/bin/bash #write by lijun #Date 2014-07-15 #====================================================== #function check_error #====================================================== function ch_error(){ if [ $? -eq 0 ] then echo "succeed!" else echo "failed...." fi } #===================================================== #1.function creat_users #====================================================== function c_users(){ echo "Please input user's name" read name1 useradd $name1 ch_error echo "return main" sleep 2 main } #====================================================== #2.function creat_directory #====================================================== function c_dir(){ echo "Please input the path like:[/xx/xx/d_name]" read path1 mkdir -p $path1 ch_error echo "return main" sleep 2 main } #===================================================== #3.function creat_file #==================================================== function c_file(){ echo "Please input the path like:[/xx/xx/f_name]" read path2 touch $path2 ch_error echo "return main" sleep 2 main } #===================================================== #4.funtion change_directory_name #===================================================== function change_dir_name(){ echo "Please input the path like:[/xx/xx/d_name] and the new name **the same path except new name**" read path3 path4 mv $path3 $path4 ch_error echo "return main" sleep 2 main } #===================================================== #5.function chmod_directory #===================================================== function chmod_dir(){ echo "Please input the path like:[/xx/xx/d_name] and the permission like:[755]" read path5 perm chmod $perm $path3 ch_error echo "return main" sleep 2 main } #===================================================== #6.function delete_directory_or_file #===================================================== function delete_d_or_f(){ echo "Please input the path like :[xx/xx/directory_name or file_name]" read path6 rm -rf $path6 ch_error echo "return main" sleep 2 main } #============================================================================= main() { clear echo "=============菜单=============" echo " " echo "1.创建用户" echo " " echo "2.创建目录" echo " " echo "3.创建文件" echo " " echo "4.修改目录文件" echo " " echo "5.修改目录权限" echo " " echo "6.删除目录或者文件" echo " " echo "7.退出" echo "" read -p "请输入要选择的功能的序列号(1-7):" a case $a in 1) clear c_users;; 2) clear c_dir;; 3) clear c_file;; 4) clear change_dir_name;; 5) clear change_dir;; 6) clear delete_d_or_f;; 7) exit;; *) echo "You input the wrong chioce!!";; esac } main