Counting with uniq

 in
Shell experts make the best of simple combinations of standard utilities. Learn one of the most common examples of using two common commands together.
______________________

Comments

Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.

sort|uniq can be replaced by awk

wgshi's picture

How about we just do this

grep Jan/2004 access.log | grep foo.php |
awk '{a[$1]++}END{for(i in a)print i, a[i]}'

Re: sort|uniq can be replaced by awk

Kris's picture

He's right. It's trickier to remember, but way faster.

Geek Guide
The DevOps Toolbox

Tools and Technologies for Scale and Reliability
by Linux Journal Editor Bill Childers

Get your free copy today

Sponsored by IBM

Upcoming Webinar
8 Signs You're Beyond Cron

Scheduling Crontabs With an Enterprise Scheduler
11am CDT, April 29th
Moderated by Linux Journal Contributor Mike Diehl

Sign up now

Sponsored by Skybot