public function getExtension( $fileName ) {
$dotPos = strrpos( $fileName, '.' );
if ( $dotPos === false ) {
- $this->error( "No file extension, cannot determine type: $arg" );
+ $this->error( "No file extension, cannot determine type: $fileName" );
exit( 1 );
}
return substr( $fileName, $dotPos + 1 );