sort命令

sort命令应用演示

通过下列语法把第二行数据进行排序

[root@Realserver2 ~]# cat a.txt
banana:30:5.5
apple:10:2.5
pear:90:2.3
orange:20:3.4
[root@Realserver2 ~]# sort -t: -k2 -n a.txt
apple:10:2.5
orange:20:3.4
banana:30:5.5
pear:90:2.3
[root@Realserver2 ~]#