cssshrink.sh
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cssshrink.sh
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	#!/bin/sh
	PWD=`dirname "$0"`
	JAR_DIR='/tmp'
	VERSION='2.4.8'
	COMPILER_URL="https://github.com/yui/yuicompressor/releases/download/v${VERSION}/yuicompressor-${VERSION}.zip"

	do_shrink() {
	rm -f "$2"
	java -jar $JAR_DIR/yuicompressor.jar -v -o "$2" "$1"
	}

	if [ ! -w "$JAR_DIR" ]; then
	JAR_DIR=$PWD
	fi

	if java -version >/dev/null 2>&1; then
	:
	else
	echo "Java not found. Please ensure that the 'java' program is in your PATH."
	exit 1
	fi

	if [ ! -r "$JAR_DIR/yuicompressor.jar" ]; then
	if which wget >/dev/null 2>&1 && which unzip >/dev/null 2>&1; then
	wget "$COMPILER_URL" -O "/tmp/$$.zip"
	elif which curl >/dev/null 2>&1 && which unzip >/dev/null 2>&1; then
	curl -L "$COMPILER_URL" -o "/tmp/$$.zip"
	else
	echo "Please download $COMPILER_URL and extract compiler.jar to $JAR_DIR/."
	exit 1
	fi
	(cd $JAR_DIR && unzip "/tmp/$$.zip" && mv "yuicompressor-${VERSION}.jar" "yuicompressor.jar")
	rm -f "/tmp/$$.zip"
	fi

	# compress single file from argument
	if [ $# -gt 0 ]; then
	CSS_FILE="$1"

	echo "Shrinking $CSS_FILE"
	minfile=`echo $CSS_FILE \| sed -e 's/\.css$/\.min\.css/'`
	do_shrink "$CSS_FILE" "$minfile"
	exit
	fi

	DIRS="$PWD/../skins/* $PWD/../plugins/* $PWD/../plugins//skins/"
	# default: compress application scripts
	for dir in $DIRS; do
	for file in $dir/*.css; do
	echo "$file" \| grep -e '.min.css$' >/dev/null
	if [ $? -eq 0 ]; then
	continue
	fi
	if [ ! -f "$file" ]; then
	continue
	fi

	echo "Shrinking $file"
	minfile=`echo $file \| sed -e 's/\.css$/\.min\.css/'`
	do_shrink "$file" "$minfile"
	done
	done