remove-trailing-whitespace.php

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#!/usr/bin/php
<?php

chdir(dirname(__FILE__));
require_once 'common.php';
assertCli();

chdir(dirname(__FILE__) . '/..');
$FS = new FSTools();

$files = $FS->globr('.', '{,.}*', GLOB_BRACE);
foreach ($files as $file) {
    if (
        !is_file($file) ||
        prefix_is('./.git', $file) ||
        prefix_is('./docs/doxygen', $file) ||
        postfix_is('.ser', $file) ||
        postfix_is('.tgz', $file) ||
        postfix_is('.patch', $file) ||
        postfix_is('.dtd', $file) ||
        postfix_is('.ent', $file) ||
        $file == './library/HTMLPurifier/Lexer/PH5P.php' ||
        $file == './maintenance/PH5P.php'
    ) continue;
    $contents = file_get_contents($file);
    $result = preg_replace('/^(.*?)[ \t]+(\r?)$/m', '\1\2', $contents, -1, $count);
    if (!$count) continue;
    echo "$file\n";
    file_put_contents($file, $result);
}

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