mirror of
https://github.com/php/php-src.git
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286 lines
8.9 KiB
PHP
286 lines
8.9 KiB
PHP
<?php
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//
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// +----------------------------------------------------------------------+
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// | PHP version 4.0 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2001 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Tomas V.V.Cox <cox@idecnet.com> |
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// | |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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//
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// TODO:
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// - Test under Windows (help is really appreciated in this point)
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// - Build strong tests
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// - Error reporting (now shows standar php errors)
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// - Write doc
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require_once 'PEAR.php';
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require_once 'Console/Getopt.php';
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/**
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* System offers cross plattform compatible system functions
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*
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* Static functions for different operations. Should work under
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* Unix and Windows. The names and usage has been taken from its repectively
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* GNU commands.
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*
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* Usage: System::rm('-r file1 dir1');
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*
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* ------------------- EXPERIMENTAL STATUS -------------------
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*
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* @package System
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* @author Tomas V.V.Cox <cox@idecnet.com>
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* @version $Version$
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* @access public
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*/
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class System extends PEAR
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{
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/**
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* returns the commandline arguments of a function
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*
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* @param string $argv the commandline
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* @param string $short_options the allowed option short-tags
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* @param string $long_options the allowed option long-tags
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* @return array the given options and there values
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* @access private
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*/
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function _parseArgs($argv, $short_options, $long_options = null)
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{
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if (!is_array($argv)) {
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$argv = preg_split('/\s+/', $argv);
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}
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$options = Console_Getopt::getopt($argv, $short_options);
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return $options;
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}
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/**
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* Creates a nested array representing the structure of a directory
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*
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* System::_dirToStruct('dir1', 0) =>
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* Array
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* (
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* [dirs] => Array
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* (
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* [0] => dir1
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* )
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*
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* [files] => Array
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* (
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* [0] => dir1/file2
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* [1] => dir1/file3
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* )
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* )
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* @param string $sPath Name of the directory
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* @param integer $maxinst max. deep of the lookup
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* @param integer $aktinst starting deep of the lookup
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* @return array the structure of the dir
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* @access private
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*/
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function _dirToStruct($sPath, $maxinst, $aktinst = 0)
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{
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$struct = array('dirs' => array(), 'files' => array());
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if (($dir = @opendir($sPath)) === false) {
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return $struct; // XXX could not open error
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}
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$struct['dirs'][] = $sPath; // XXX don't add if '.' or '..' ?
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$list = array();
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while ($file = readdir($dir)) {
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if ($file != '.' && $file != '..') {
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$list[] = $file;
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}
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}
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closedir($dir);
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sort($list);
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foreach($list as $val) {
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$path = $sPath . DIRECTORY_SEPARATOR . $val;
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if (is_dir($path)) {
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if ($aktinst < $maxinst || $maxinst == 0) {
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$tmp = System::_dirToStruct($path, $maxinst, $aktinst+1);
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$struct = array_merge_recursive($tmp, $struct);
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}
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} else {
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$struct['files'][] = $path;
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}
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}
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return $struct;
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}
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/**
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* Creates a nested array representing the structure of a directory and files
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*
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* @param array $files Array listing files and dirs
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* @return array
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* @see System::_dirToStruct()
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*/
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function _multipleToStruct($files)
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{
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$struct = array('dirs' => array(), 'files' => array());
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foreach($files as $file) {
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if (is_dir($file)) {
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$tmp = System::_dirToStruct($file, 0);
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$struct = array_merge_recursive($tmp, $struct);
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} else {
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$struct['files'][] = $file;
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}
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}
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return $struct;
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}
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/**
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* The rm command for removing files.
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* Supports multiple files and dirs and also recursive deletes
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*
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* @param string $args the arguments for rm
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* @return mixed PEAR_Error or true for success
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* @access public
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*/
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function rm($args)
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{
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$opts = System::_parseArgs($args, 'rf'); // "f" do nothing but like it :-)
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if (PEAR::isError($opts)) {
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return $opts;
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}
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foreach($opts[0] as $opt) {
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if ($opt[0] == 'r') {
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$do_recursive = true;
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}
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}
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if (isset($do_recursive)) {
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$struct = System::_multipleToStruct($opts[1]);
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if (PEAR::isError($struct)) {
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return $struct;
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}
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foreach($struct['files'] as $file) {
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unlink($file); // XXXX Works under Windows?
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}
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foreach($struct['dirs'] as $dir) {
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rmdir($dir);
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}
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} else {
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foreach ($opts[1] as $file) {
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$delete = (is_dir($file)) ? 'rmdir' : 'unlink'; // XXXX Windows?
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$delete($file);
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}
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}
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return true;
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}
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/**
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* Make directories
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*
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* @param string $args the name of the director(y|ies) to create
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* @return mixed PEAR_Error or true for success
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* @access public
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*/
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function mkDir($args)
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{
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$opts = System::_parseArgs($args, 'pm:');
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if (PEAR::isError($opts)) {
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return $opts;
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}
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$mode = 0777; // default mode
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foreach($opts[0] as $opt) {
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if ($opt[0] == 'p') {
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$create_parents = true;
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} elseif($opt[0] == 'm') {
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$mode = $opt[1];
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}
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}
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if (isset($create_parents)) {
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foreach($opts[1] as $dir) {
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$dirstack = array();
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while (!@is_dir($dir) && $dir != DIRECTORY_SEPARATOR) {
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array_unshift($dirstack, $dir);
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$dir = dirname($dir);
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}
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while ($newdir = array_shift($dirstack)) {
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if (!mkdir($newdir, $mode)) {
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break; // XXX error
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}
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}
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}
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} else {
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foreach($opts[1] as $dir) {
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if (!mkdir($dir, $mode)) {
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continue; // XXX error
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}
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}
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}
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return true;
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}
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/**
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* Concatenate files
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*
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* Usage:
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* 1) $var = System::cat('sample.txt test.txt');
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* 2) System::cat('sample.txt test.txt > final.txt');
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* 3) System::cat('sample.txt test.txt >> final.txt');
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*
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* Note: as the class use fopen, urls should work also (test that)
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*
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* @param string $args the arguments
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* @return boolean true on success
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* @access public
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*/
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function &cat($args)
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{
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$ret = null;
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$files = array();
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if (!is_array($args)) {
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$args = preg_split('/\s+/', $args);
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}
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for($i=0; $i < count($args); $i++) {
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if ($args[$i] == '>') {
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$mode = 'wb';
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$outputfile = $args[$i+1];
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break;
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} elseif ($args[$i] == '>>') {
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$mode = 'ab+';
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$outputfile = $args[$i+1];
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break;
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} else {
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$files[] = $args[$i];
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}
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}
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if (isset($mode)) {
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if (!$outputfd = fopen($outputfile, $mode)) {
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return $this->raiseError("Could not open $outputfile");
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}
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$ret = true;
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}
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foreach($files as $file) {
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if (!$fd = fopen($file, 'r')) {
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return $this->raiseError("Could not open $file");
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}
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while(!feof($fd)) {
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$cont = fread($fd, 2048);
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if (isset($outputfd)) {
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fwrite($outputfd, $cont);
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} else {
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$ret .= $cont;
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}
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}
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fclose($fd);
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}
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if (@is_resource($outputfd)) {
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fclose($outputfd);
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}
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return $ret;
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}
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}
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?>
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