shell脚本压缩js和css

#!/bin/sh
function scanJsCss(){
local curDir parentDir workdir
workdir=$1
cd ${workdir}
if [ ${workdir} = "/" ]
then
curDir=""
else
curDir=$(pwd)
fi
for file in $(ls ${curDir})
do
if test -h ${file}
then
echo "链接符号${file}不压缩"
else
if test -d ${file}
then
cd ${file}
scanJsCss ${curDir}/${file} $2
cd ..
elif [ "${file##*.}" = "js" ]
then
echo "press: $file"
java -jar /home/html/yuicompressor-2.4.8.jar --type js --charset utf-8 ${file} -o ${file}
elif [ "${file##*.}" = "css" ]
then
echo "press: $file"
java -jar /home/html/yuicompressor-2.4.8.jar --type css --charset utf-8 ${file} -o ${file}
fi
#$(echo $file|sed 's/\.js/\.min\.js/')
fi
done
}
#判断输入参数
if [ $# -eq 0 ]
then
echo '请输入参数(文件夹)'
exit 2
fi
if test -d $1
then
echo '**开始压缩文件**'
scanJsCss $1 $2
echo '**压缩完成**'
elif test -f $1
then
echo '错误：第一个参数不是目录'
exit 1
else
echo "错误：第一个参数指向的目录不存在"
exit 1
fi
#java -jar yuicompressor-2.4.8.jar --type js --charset utf-8 fun.js -o fun-min.js