use strict;
use warnings;
my @content;
my @files;
my $dir;

my $input1 = "source/host1/";
my $input2 = "source/host2/";
my $name = "volume_2010_02";
#my $date = "2010-02-13";

opendir DIR1, "$input1";
my @files1= grep {$_ ne '.' && $_ ne '..' } readdir (DIR1);

@files = @files1;
#print @files,"\ninput file 1\n";

$dir = $input1;
#print $dir,"\ninput dir 1\n";
my @content1 = &readfiles(@files,$dir);
#print @content1,"\nFILE 1 Content\n\n";

@content =();
opendir DIR2, "$input1";
my @files2= grep {$_ ne '.' && $_ ne '..' } readdir (DIR2);

@files = @files2;
#print @files,"\ninput file 2\n";

$dir = $input2;
#print $dir,"\ninput dir 2\n";

my @content2 = &readfiles(@files,$dir);
#print @content2,"\nFILE 2 Content\n\n";
push @content1,@content2;
my @file = sort {$a cmp $b} @content1;
print @file,"\nPush output\n\n";
my %output;
my $print;
my $semiprint;
foreach(@file)
{
	#print $_,"\nCOntent1\n\n";
	my ($key,$val) = split (/\,/,$_);
	$semiprint .= "$key,$val\n";
	#print $semiprint,"\nsemi in loop\n\n";
	$output{$key} += $val;
	$print .="$key,$output{$key}\n";
	#print $print,"\nFinal output\n\n";
}
#print $print,"\nFinal output\n\n";
#print $semiprint,"\nsemi output\n\n";
open OUTPUT, "> target/1.dat";
print OUTPUT $print;

sub readfiles
{
	my @file = @files;
	my $directory = $dir;
	
	foreach(@file)
	{
		#print $_,"\nFILE NAME\n";
		if($_ =~ /^$name/)
		{
			#print $_,"\nFile found \n";
			open FILE,"< $dir/$_";
			while(<FILE>)
			{
				chomp;
				push @content,$_;
			}
			
		}
	}
	return @content;
}