$tStart = microtime( true );
$status = $this->repo->concatenate( $fileList, $tmpPath, FileRepo::DELETE_SOURCE );
$tAmount = microtime( true ) - $tStart;
$tStart = microtime( true );
$status = $this->repo->concatenate( $fileList, $tmpPath, FileRepo::DELETE_SOURCE );
$tAmount = microtime( true ) - $tStart;