shell's for loop

a grammar

for variable in value 1 value 2 value 3

do

program

done

 

Two actual combat

#!/bin/bash

for i in 1 2 3 4 5

do

echo $i

done

 

Three tests

[root@localhost shell]# ./shell9.sh

1

2

3

4

5

 

Four for loops realize decompression

#!/bin/bash

 

cd /root/test/

ls * .tar.gz> ls.log

ls * .tgz >> ls.log

 

for i in $(cat ls.log)

do

tar -zxf $i &>/dev/null

done

rm -rf ls.log