统计文件行数的shell

#!/bin/bash
#Program:
#	Count every cpp file and h file is line in a path ,and add them ,output it
#History:
# 	Build by AstrayLinux in 2011/10/17

if [ $# -ge 1 ] ; then
i=0;
s=0;
t=0;
if [ -d $1 ] ; then
path=$1
shift
else
path="./"
fi

while [ "$i" != "$#" ]
do
str="\"*.$1\":  "
echo "======================= *.$1 ========================="
find $path -type f -name "*.$1" -exec wc -l {} \;
t=`find $path -type f -name "*.$1" -exec cat {} \; |wc -l`
echo "====================== *.$1 SUM ======================"
printf "%11s %10d\n" $str $t
s=$(( $s+$t ))
shift
done

echo "===================== ALL SUM ======================="
printf "%11s %10d\n" "The all:" $s
else
echo ""
echo "countSrcLine [path] [filetype ...]"
echo "	If path is empty ,it will be ./"
echo "	Filetype is a postfix like cpp,log. etc."
echo "	EXAMPLE: "
echo  "		countSrcLine ~/workspace/ cpp h"
echo ""
fi

exit 0