gistfile1.aw

<?php
class Smash {
    /**
     * Combine all files with a certain extension in a directory into a single file
     */
    public function smash_directory($directory, $extension, $output) {
        $files = glob($directory . '*.' . $extension);
        
        $smashed = '';
        
        foreach($files as $file) {
            $content = sprintf($this->get_comment($extension), $file);
            $content .= $this->read_file($file);
            
            $smashed .= $content; // Add file to combined output
        }
        
        $this->write_file($output, $smashed);
    }
    
    private function read_file($path) {
        return file_get_contents($path);
    }
    
    private function write_file($path, $content) {
        file_put_contents($path, $content);
    }
    
    private function get_comment($filetype) {
        switch($filetype) {
            case 'css':
            case 'js':
                return '/* %s */';
            
            case 'php':
                return '<?php /* */ ?>';
        }
        
        trigger_error('Unknown filetype: ' . $filetype); 
    }
}

$smash = new Smash;
$smash->smash_directory('functions', 'css', 'smashed.css');