find 查找
find . -mtime -2 -a -path './.git*' -prune , -path './Cache' -prune -a -exec cp {} one ;
rm -Rf /tmp/bigimg
for i in `find /data/imageserver/webapps/ROOT/images -mtime -2`
do
pth=/tmp/bigimg`dirname $i`
mkdir -p $pth
cp $i $pth
echo $pth
done