sort命令
[root@nfs-server test]# cat test.txt 10.0.0.9 a10.0.0.8 k10.0.0.7 f10.0.0.7 n10.0.0.8 c10.0.0.8 z10.0.0.9 o[root@nfs-server test]# cut -d " "-f2 test.txt|sort -n ##-d后面跟分隔符为空格，-f指定第2列，然后通过sort排序acfknoz[root@nfs-server test]# awk -F ‘ ‘‘{print $2}‘ test.txt|sort -nacfknoz[root@nfs-server test]# sort -t " "-k2 test.txt 10.0.0.9 a10.0.0.8 c10.0.0.7 f10.0.0.8 k10.0.0.7 n10.0.0.9 o10.0.0.8 z[root@nfs-server test]#[root@nfs-server test]# sort -k2 test.txt 10.0.0.9 a10.0.0.8 c10.0.0.7 f10.0.0.8 k10.0.0.7 n10.0.0.9 o10.0.0.8 z
原文：http://www.cnblogs.com/hackerer/p/5364326.html