Shulou(Shulou.com)06/02 Report--

Editor to share with you what are the common options of awk, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Syntax of 1.awk

Awk [option] 'print $1' filename

Option

-F specifies the delimiter

For example:

Awk-F:'{print $1}'/ etc/passwd

Last column of $NF

Number of NR lines / / Note there is no $

An example of 2.awk

1. Extract the user name information and UID information with UID less than 1000 in the / etc/passwd file

[root@server0 ~] # awk-F:'$3=1&&NR

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