if [ $# = 0 ]
then
echo "usage:$0 <path>"
exit 1
fi
if [ ! -d $1 ]
then
echo "not a directory"
exit 1
fi
#åªæ¾ç®å½
ls -l $1|grep ^d|awk '{print $NF}'
#æ¾ç®å½åæ件
ls -l $1
#ä¸ç¥éä½ é®çæ¯ç®å½ï¼è¿æ¯ç®å½+æ件ï¼é½åä¸äº
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