Gawk
From wikinotes
A scripting language originally designed for manipulating tables, and simple cli tools.
Tutorials
awk intro http://www.funtoo.org/wiki/Awk_by_Example,_Part_1 awk intro http://www.math.utah.edu/docs/info/gawk_7.html
Notes
gawk usage gawk variables gawk datatypes gawk conditionals gawk loops gawk print gawk matching gawk subprocess
Syntax
References