Shift usage in Shell

[[Email protected] shell] # Cat shift. Sh

#! /Bin/bash

Until [$ #-EQ 0]; do

Echo "the first is: $1 total is $ #"

Shift

Done

[[Email protected] shell] #./shift. Sh 1 2 3 4 5 6

The first is: 1 total is 6

The first is: 2 total is 5

The first is: 3 Total is 4

The first is: 4 Total is 3

The first is: 5 total is 2

The first is: 6 total is 1

[[Email protected] shell] # Cat shiftest. Sh

#! /Bin/bash

Until [-z "$1"]

Do

Echo "[email protected]"

Shift

Done

[[Email protected] shell] #./shiftest. Sh 1 2 3 4 5 6 7 8 9

1 2 3 4 5 6 7 8 9

2 3 4 5 6 7 8 9

3 4 5 6 7 8 9

4 5 6 7 8 9

5 6 7 8 9

6 7 8 9

7 8 9

8 9

9

This article is from the "route sweat exchange successful" blog, please be sure to keep this source http://ghnhl.blog.51cto.com/1630025/1553377

Shift usage in Shell