A collection of 2 posts

awk

去重 [root@localhost tmp]# cat test.txt hello world awk coding ants hello world awk hello world awk coding ants ...

awk练习

统计相同列的和 案例一: [root@MyFirstwon awk]# cat file 13393985 8 1093602796 1 13393985 2 1093602796 9 [root@MyFirstwon awk]# awk '{ ...