code: public function execute()
  	{
  		$entries = [];
  		$path = rtrim(str_replace('\\', '/', $this->getArguments()[0]), '/') . '/';
  
  		try
  		{
  			$directory = new \RecursiveDirectoryIterator($path);
  			$iterator = new \RecursiveIteratorIterator($directory);
  			$regex = new \RegexIterator($iterator, '/^.+\.php$/i', \RecursiveRegexIterator::GET_MATCH);
  
  			foreach ($regex as $matches)
  			{
  				$file = str_replace('\\', '/', $matches[0]);
  				$translations = require $matches[0];
  
  				foreach ($translations as $key => $content)
  				{
  					if (array_key_exists($content, $entries) === false)
  					{
  						$entries[$content] = [];
  					}
  
  					$entries[$content][] = [
  						'file' => str_replace([$path, '.php'], '', $file),
  						'key' => $key
  					];
  				}
  			}
  
  			$entries = array_filter($entries, function($files)
  			{
  				return count($files) > 1;
  			});
  
  			foreach ($entries as $content => $files)
  			{
  				for ($i = 1; $i < count($files); $i++)
  				{
  					$this->write($files[0], $files[$i]);
  				}
  			}
  
  			$this->getConsole()->writeLine('Done.', ColorInterface::BLACK, ColorInterface::LIGHT_GREEN);
  		}
  		catch (\Exception $exception)
  		{
  			$this->getConsole()->writeLine('Can not search for duplicates. Maybe the path is wrong.', ColorInterface::LIGHT_YELLOW, ColorInterface::LIGHT_RED);
  			return false;
  		}
  
  		return true;
  	}
docs: /*
  (non-PHPdoc)
  @see \DasRed\Translation\Command\ExecutorAbstract::execute()