#!/usr/bin/perl
use strict;
use warnings;
use File::Find;


my @java_files;
my $pattern = shift;

if ($pattern eq '') 
{
	print "defaulting the directory to the current one\n";
	$pattern = '.';
}

print "$pattern\n";
find(\&wanted, $pattern);
foreach my $file (@java_files)
{	
	open OUTFILE, "$file";
	while(<OUTFILE>)
	{
		print "$_\n";
	}
}

my $java_files = @java_files;
print "++ Total number of java files in project =  $java_files\n";

sub wanted()
{
	if (/\.java$/i)
	{		
		push(@java_files,  $_);
	}
}