###
# INFO-F-201 Projet 1 « Shell scripting »
# Quentin Delhaye
# IRCI3-T - BA3 ingénieur civil informatique
###

#!/bin/bash

extension=".mp3"

function searchFile
{
	for file in $1*; do
		echo $file
		if [ -d "${file}" ]; then
			searchFile "${file}/"
		elif [[ $file == *${extension} ]]; then 
			echo ${file##*/} >> ${outputFile}
		fi
	done
}
function sortFiles
{
	`sort -d ${outputFile} -o ${outputFile}`
}

searchDir=$1
if [ -z $searchDir ]; then
	searchDir="/"
fi
if [ -z $2 ]; then
	outputFile="`pwd`/a.out"
else
	outputFile="`pwd`/$2"
fi
searchFile $rootDir
sortFiles