shell 处理文件脚本

[root@centos-6 ~]# cat info_file.txt
lys:28:shanxi
zhy:28:shanxi
[root@centos-6 ~]# cat info_file2.txt
lys 28 shanxi
zhy 28 shanxi
[root@centos-6 ~]# cat print.sh
#!/bin/bash
for i in `cat info_file.txt`

do

name=$(echo $i |awk -F : '{print $1}')
age=$(echo $i |awk -F : '{print $2}')
address=$(echo $i |awk -F : '{print $3}')

echo "$name | $age |  $address "
done
[root@centos-6 ~]# cat while.sh
#!/bin/bash

while read a b c

do

echo $a $b $c

done <info_file2.txt
[root@centos-6 ~]# sh print.sh
lys | 28 |  shanxi
zhy | 28 |  shanxi
[root@centos-6 ~]# sh while.sh
lys 28 shanxi
zhy 28 shanxi
[root@centos-6 ~]#

[root@centos-6 ~]# cat shift.sh
#!/bin/bash

echo "print $1"

[ "$1" = "lys" ] && shift 

echo "print $1"

ping -c 2 $1
[root@centos-6 ~]# sh shift.sh  lys www.baidu.com
print lys
print www.baidu.com
PING www.a.shifen.com (14.215.177.37) 56(84) bytes of data.
64 bytes from 14.215.177.37: icmp_seq=1 ttl=128 time=147 ms
64 bytes from 14.215.177.37: icmp_seq=2 ttl=128 time=144 ms

--- www.a.shifen.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 5315ms
rtt min/avg/max/mdev = 144.476/146.061/147.646/1.585 ms
[root@centos-6 ~]# ^C
[root@centos-6 ~]# sh shift.sh  zht www.baidu.com
print zht
print zht
ping: unknown host zht
[root@centos-6 ~]#