【转载】linux shell 数组建立及使用技巧

JohnYork 2011-08-17

详解请见:http://suo.iteye.com/blog/1118825

从上面讲到的,大家可以发现linuxshell的数组已经很强大了,常见的操作已经绰绰有余了。

shell按行读取并保存成数组

从ip.txt里读取IP.然后把IP地址赋值到一个数组里.

IP文件如下:

Address:220.181.26.163

Address:220.181.26.174

Address:220.181.26.175

Address:220.181.26.176

Address:220.181.19.228

Address:220.181.19.229

Address:220.181.26.161

Address:220.181.26.162

方法一:

forxin`awk'{print$2}'ip.txt`

{

echo$x

}

方法二:

ARRAY=($(awk'{print$2}'ip.txt))

方法三:

n=0;whilereadab;doarray[$n]=$b;((n++));done<ip.txt

方法四:

n=1

while((n<=$(catip.txt|wc-l)))

do

ipaddr[$n]=$(catip.txt|sed-n"${n}p"|awk'{print$2}')

((n+=1))

done

n=`expr$n-1`

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