====== awk ======

  * [[ack]]
  * [[grep]]
  * [[sed]]

=== Tips and Tricks ===

== Use awk to print a specific column ==

<code>
chkconfig --list |grep "3:on" |awk '{print $1}'
</code>

== Print the last column ==

<code>
awk '{ print $NF }'
</code>

== Print a total of a column of numbers in a file ==

<code>
awk '{ sum += $1 } END { print sum }' filename
</code>