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Property	Old Value	New Value
File Mode	null	100755

				#!/usr/bin/env php
				<?php

				require_once dirname(dirname(__FILE__)).'/scripts/__init_script__.php';

				$args = new PhutilArgumentParser($argv);
				$args->setTagline(pht('a grep linter'));
				$args->setSynopsis(<<<EOHELP
				grep_linter.php
				Checks for the occurence of the specified words.
				EOHELP
				);

				$args->parseStandardArguments();
				$args->parse(
				array(
				array(
				'name' => 'advice',
				'param' => 'word',
				'help' => pht('TODO'),
				),
				array(
				'name' => 'warning',
				'param' => 'word',
				'help' => pht('TODO'),
				),
				array(
				'name' => 'error',
				'param' => 'word',
				'help' => pht('TODO'),
				),
				array(
				'name' => 'path',
				'wildcard' => true,
				),
				));

				$paths = $args->getArg('path');
				if (!$paths) {
				$args->printHelpAndExit();
				}

				$advice = $args->getArg('advice');
				$warning = $args->getArg('warning');
				$error = $args->getArg('error');

				function get_regex($args, $severity) {
				if (!$args->getArg($severity)) {
				return null;
				}

				return '/('.preg_quote(implode('\|', explode(',', $args->getArg($severity)))).')/';
				}

				$regexes = array_filter(array(
				'advice' => get_regex($args, 'advice'),
				'warning' => get_regex($args, 'warning'),
				'error' => get_regex($args, 'error'),
				));

				foreach ($paths as $path) {
				$data = Filesystem::readFile($path);

				foreach ($regexes as $severity => $regex) {
				$matches = null;

				$preg = preg_match_all($regex, $data, $matches, PREG_OFFSET_CAPTURE);

				if (!$preg) {
				continue;
				}

				foreach ($matches[0] as $match) {
				list($string, $offset) = $match;

				echo $severity.':'.$offset."\n";
				}
				}
				}