遍历目录

#!/bin/sh

foreachd () {
echo $1
for file in $1/*
do
 if [ -d $file ]
 then
  echo $file
  foreachd $file
 fi
done
}

echo $0
a=`echo $1`
if [ $# -gt 0 ]
then
 foreachd $a
# echo "kdk"
else
 foreachd "."
fi