bash case语句的例子。
分享一段bash shell代码，对于学习bash的同学理解case语句的用法，会有帮助。
例子：
#!/bin/bash
##
# Program:
# File operation
# 1.) Open file 2.) Display file 3.) Edit file 4.) Delete file
# site: WWW.JB51.NET
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
echo "---------------------------------"
echo "List of item to operate file -"
echo "---------------------------------"
echo "1). Open a file -"
echo "2). Display a file -"
echo "3). Edit a file -"
echo "4). Delete a file -"
echo "---------------------------------"
read select
case $select in
1)
echo "do open file operation"
2)
echo "do display a file operation"
3)
echo "do edit a file operation"
4)
echo "do delete a file operation"
*)
echo "There is nothing to do!"
exit 1
esac
