ewc a shell of extentionof wc

#!/bin/bash
#This program is a extended of wc
#a.a 7/4/2007
if [ -d $1 ];
then
ls $1|wc -l
elif [ -f $1 ];
then
wc $1
else
./ewc ./  # the default path
fi

I've tested it,it works well under bash!