app/code/community/Nexcessnet/Turpentine/Model/Varnish/Configurator/Abstract.php
protected function _cleanVcl($dirtyVcl) {
        return implode(PHP_EOL,
            array_filter(
                Mage::helper('turpentine/data')
                    ->cleanExplode(PHP_EOL, $dirtyVcl),
                array($this, '_cleanVclHelper')
            )
        );
    }
protected function _cleanVcl($dirtyVcl) {
        return implode(PHP_EOL,
            array_filter(
                Mage::helper('turpentine/data')
                    ->cleanExplode(PHP_EOL, $dirtyVcl),
                array($this, '_cleanVclHelper')
            )
        );
    }
protected function _cleanVcl ( $ dirtyVcl ) { return implode ( PHP_EOL , array_filter ( Mage :: helper ( 'turpentine/data' ) -> cleanExplode ( PHP_EOL , $ dirtyVcl ) , array ( $ this , '_cleanVclHelper' ) ) ) ; }
Remove empty and commented out lines from the generated VCL

@param  string $dirtyVcl generated vcl
@return string
Remove empty and commented out lines from the generated VCL