/**
* Consistency function to return the directory and extensionless basename of the first of a list of files
*
* @param array|string $files
* @return string
*/
public static function calculate_file_output_prefix($files)
{
$files = (array) $files;
$output_prefix = dbsteward::calculate_file_output_directory($files[0]) . '/' . basename($files[0], '.xml');
if (dbsteward::$file_output_prefix !== FALSE) {
$output_prefix = dbsteward::calculate_file_output_directory($files[0]) . '/' . dbsteward::$file_output_prefix;
}
return $output_prefix;
}
