http://www.hcs.harvard.edu/~dholland/computers/awk.html

http://www.vectorsite.net/tsawk_1.html

http://stud.wsi.edu.pl/~robert/awk/

http://gregable.com/2010/09/why-you-should-know-just-little-awk.html

1、打印列

假设数据如下：
07.46.199.184 [28/Se[......]

继续阅读