Unix Stream Editor SED

sed Tutorium – Eine Einführung in sed.

Sed − An Introduction and Tutorial by Bruce Barnett

The SED FAQ – Frequently Asked Questions about sed, the stream editor.

Sed search for variable and delete entire line, but variable contains forward /'s

SED : How to replace a character within a matched pattern using ampersand (&)

Detect two consecutive lines matching a pattern with sed

How to insert line with between two consecutive lines that match special pattern?

http://sed.sourceforge.net/sed1line.txt – Useful One-Line Scripts for SED