鸟哥私房菜基础篇笔记05

 

1,[root@linux ~] vi sh02.sh

#!/bin/bash

PATH = …………………………….

export PATH

read –p “please input your first name:” firstname

read –p “please input your last name :” lastname

echo –e “your full name is $firstname $lastname”

2,判断一个文件是否存在

[root@linux ~] test –e /dmtsai && echo “exist” || echo “not exist”

3,[root@linux ~] vi sh07.sh

#!/bin/bash

PATH = …………………………….

export PATH

echo THE script name is ==> $0“

[-n “$1”] && echoe “the 1^st parameter is ==> $1” || exit 0

[-n “$2”] && echoe “the 2^en parameter is ==> $2” || exit 0

[-n “$3”] && echoe “the 3^rd parameter is ==> $3” || exit 0

http://blog.youkuaiyun.com/kwiner/archive/2009/04/05/4049640.aspx