my $rsync_base_cmd = "rsync -avm -L --exclude='S/' --include='*/' --include='*.cpp' " .
     "--include='*.hpp' --exclude='*'";
  
my $command = "$rsync_base_cmd ${login}:${remoteDirectory} $localDirectory";
open my $fh, '-|', $command
    or confess("_copy_component Cannot perform rsync : $!");
my $output;
while(<$fh>) {
    $output .= $_;
}
close $fh or confess("rsync problem: $!");