Perl
From Teknologisk videncenter
								
												
				- wikiversity perl
 
Development tools
- Integrated Development Environment - IDE - for Perl
 
One liners
Search and replace in files
You could also use find and sed.
perl -pi -w -e 's/SEARCH/REPLACE/g;' *.php- e means execute the following line of code.
 - i means edit in-place
 - w write warnings
 - p loop