Awk is widely used these days for extraction and manipulation of large scale biological data in Unix/Linux.Most of the awk code is single liner.
Useful Weblinks:
http://www.grymoire.com/Unix/Awk.html
http://www.hcs.harvard.edu/~dholland/computers/awk.html
http://www.pement.org/awk/awk1line.tx...
Tags: awk, gawk, nawk, sed, data, sequencing, one liner