ametad

##FILE SPACING:

 # double space a file
 sed G

 # double space a file which already has blank lines in it. Output file
 # should contain no more than one blank line between lines of text.
 sed '/^$/d;G'

 # triple space a file

ametad

<?php
/* LICENSE
 * Copyright (c) 2014 Máté Cserép
 * 
 * This software is provided 'as-is', without any express or implied 
 * warranty. In no event will the authors be held liable for any damages 
 * arising from the use of this software.
 * 
 * Permission is granted to anyone to use this software for any purpose, 
 * including commercial applications, and to alter it and redistribute it