Merge and minify css or js files with yuicompressor.

yuiminify.sh

#!/bin/bash
# Wang Jinde

# Modify YUI_PATH with the path to the yuicompressor jar file
YUI_PATH="/opt/yui/yuicompressor-2.4.8.jar"

usage()
{
    echo "usage: `basename "$0"` css/js outer_file source_files"
    echo "I.E."
    echo "    ./`basename "$0"` css out.min.css a.css b.css c.css"
    echo "    ./`basename "$0"` js out.min.js a.js b.js c.js"
}

if [ $# -lt 3 ]; then
    usage
    exit 1
fi

type="$1"
out_file="$2"
temp_file="im_a_temp_file.$1"

# combine files
i=0
for file in "$@";
do
    i=$(expr $i + 1)
    if [ $i -lt 3 ]; then
        continue
    fi

    if [ -f "$file" ]; then
        cat "$file" >> "$temp_file"
    fi
done

#java -jar "$YUI_PATH" -o "${file%%.*}-min.js" "$file"
java -jar "$YUI_PATH" --type $1 --charset utf-8 -o "$out_file" "$temp_file"
if (( $? )); then
    echo "The files were not able to be minified after merged."
    exit 1
fi

rm -f "$temp_file"

echo "Succeed!"

exit 0