#!/bin/bash

if [ -n ${1} ]; then
	search=${1};
else
	search=`pwd`;
fi

wd=`pwd`;

cd ${search};

ls *.ext | while read file
do
	if [ -r "${file}" ]; then
		if  [ `cat "${file}" | wc -l ` -gt 0 ] ; then 
			firstLine=`head -n1 "${file}"`;
			numMatches=`cat "${file}" | grep "$firstLine" | wc -l`;
			fileName=${file};
			finalMatches=`expr $numMatches - 1`;
	
			echo "${fileName}:${finalMatches}";
		else
			echo ${file}:0;
		fi
	fi
done

cd ${wd};