linux的shell修改文件内容问题？

luojiakun

ipfile的文件内容如下：
192.168.7.98
192.168.7.99
192.168.7.110
192.168.7.111
192.168.7.112
192.168.7.113
192.168.7.114
192.168.7.115
192.168.7.116
192.168.14.71
192.168.7.130
192.168.7.117
192.168.7.131
192.168.7.118
192.168.7.132
192.168.7.119
192.168.7.133
192.168.14.90
192.168.7.1
192.168.14.91
192.168.7.150
192.168.7.137
192.168.7.2
192.168.14.110
192.168.14.92
192.168.7.151
192.168.7.138
192.168.7.3
192.168.14.111
192.168.14.93
192.168.7.152
192.168.7.139
192.168.14.112
192.168.14.94
192.168.7.153
192.168.7.5
192.168.14.113
192.168.14.95
192.168.7.154
192.168.7.6
192.168.14.96
192.168.7.7
192.168.14.97
192.168.7.8
192.168.7.9
192.168.7.158
192.168.7.159
192.168.7.21
192.168.7.22
192.168.7.176
192.168.7.23
192.168.7.177
192.168.7.24
192.168.7.178
192.168.7.27
192.168.2.121
192.168.2.122
192.168.7.100
192.168.7.101
192.168.7.102
192.168.7.103
192.168.7.104
192.168.7.105
192.168.7.106
192.168.7.120
192.168.7.121
192.168.7.122
192.168.7.123
192.168.7.124
192.168.7.125
192.168.14.80
192.168.7.126
192.168.7.127
192.168.14.100
192.168.7.128
192.168.14.101
192.168.7.129
192.168.14.102
192.168.14.103
192.168.14.104
192.168.14.105
192.168.7.146
192.168.14.106
192.168.7.160
192.168.7.147
192.168.14.107
192.168.7.161
192.168.7.148
192.168.14.108
192.168.7.162
192.168.7.149
192.168.14.109
192.168.7.163
192.168.7.10
192.168.7.164
192.168.7.11
192.168.7.165
192.168.7.12
192.168.7.166
192.168.7.167
192.168.7.14
192.168.7.168
192.168.7.169
192.168.7.17
192.168.7.18
192.168.7.19
192.168.7.54
192.168.7.57

请问怎么使用shell脚本该使文件，每12个ip显示在一行啊，例如：
第一行
192.168.7.98,192.168.7.99,192.168.7.110,192.168.7.111,192.168.7.112,192.168.7.113,192.168.7.114,192.168.7.115,192.168.7.116
第二行
192.168.14.71,192.168.7.130,192.168.7.117,192.168.7.131,192.168.7.118,192.168.7.132,192.168.7.119,192.168.7.133,192.168.14.90
..........................................

waker

xargs -n12 urfile

L_kernel

xargs -n12 urfile
waker 发表于 2011-06-08 20:18

似乎xargs没有直接加文件名的，用--arg-file=ipfile指定。或者从标准输入当中哦读取。

1. $ xargs -n12 --arg-file=ipfile

复制代码

1. $ cat ipfile | xargs -n12

复制代码

1. $ xargs -n12<ipfile

复制代码

waker

回复 3# L_kernel


    xargs -n12 <urfile

luojiakun

回复 2# waker


    谢谢大家啊

luojiakun

回复 5# zooyo


非常感谢啊