批量修改图片名字的脚本

# author : jiangxf 2015.1.21if [ $# -lt 2 ]; then    echo "Usage: $0 {图片路径} {图片前缀}";    echo "       $0 . skill";    exit;fiforeachd(){    i=0;    for file in $1/*;  do          if [ -d $file ]; then            foreachd $file;        elif [ -f $file ]; then            echo $file;            if [[ $file == *png ]]; then                 i=`expr $i + 1`;                echo "$i";                mv $file $2$i.png;            fi          fi      done}cp -R $1 $1_bak;foreachd $1 $2; rm -rf $1; mv $1_bak $1;