Minifying Javascript/css without changing file references in your source

httpd.conf

#enable rewriting
RewriteEngine on
RewriteRule /(.*)\.js /$1-min.js
RewriteRule /(.*)\.css /$1-min.css

minify.sh

#!/bin/bash
 
#Execute this script after checking out the latest source from repository.
 
#Minify all javascript files
cd /path/to/javascript
for x in `ls *.js`
do
        java -jar /path/to/compressor/yuicompressor-2.4.2.jar -o ${x%%.*}-min.js --preserve-semi  $x
done
 
#Minfiy all css files
cd /path/to/css
for x in `ls *.css`
do
        java -jar /path/to/compressor/yuicompressor-2.4.2.jar -o ${x%%.*}-min.css  $x
done