Bulk renaming using regex in Php

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I have a folder in a server with a lot of images and I would like to rename some images. Images that contain (1 example: 112345(1.jpg to 112345.jpg. How can I do this using regex in PHP? I have to mention that my knowledge of PHP is very limited and it's the only language that can effectively do the scripting.

preg_match('/\(1/', $entry) will help you.

Also, you need to pay attention to "what if the file has a duplicate after the rename".

$directory = "/path/to/images";

if ($handle = opendir($directory)) {
    while (false !== ($entry = readdir($handle))) {
        if ($entry != '.' && $entry != '..') {

            // Check "(1"
            if (preg_match('/\(1/', $entry)) {

                // Rename file
                $old = $directory . '/' . $entry;
                $new = str_replace('(1', '', $old);

                // Check duplicate
                if (file_exists($new)) {
                    $extension = strrpos($new, '.');
                    $new       = substr($new, 0, $extension) . rand() . substr($new, $extension); // Basic rand()
                }

                rename($old, $new);
            }
        }
    }
    closedir($handle);
}

PHP batch file renaming, Use a regular expression to get the digit, and then zero-pad it using sprintf() : $​image_files = get_files($thumbpath); foreach($image_files as  RegexRenamer is a powerful but simple user-friendly graphical tool used to batch rename files using regular expressions. A regular expression (or regex) is simply text that contains special characters that together defines a pattern that can be used to match text, in this case filenames.

If you want only remove some substring from images names you can do this without regex. Use str_replace function to replace substring to empty string. As example:

$name = "112345(1.jpg";
$substring = "(1";
$result = str_replace($substring, "", $name);

Bulk Rename Utility • View forum, Sun Apr 05, 2020 3:58 am. Using Bulk Rename by etaulton » Sat Apr 04, 2020 6:​51 pm: 1 Replies: 86 Views: Last post by RegexNinja. Sat Apr 04, 2020 10:55  The Bulk Rename Utility can do batch rename files or folders different from examples above such as adding numbering on files, remove text on fixed position, add date to files, etc. It is free, fast and simple utility.

You can use scandir and preg_grep to filter out the files that needs to be renamed.

$allfiles = scandir("folder"); // replace with folder with jpg files
$filesToRename = preg_grep("/\(1\.jpg/i", $allfiles);

Foreach($filesToRename as $file){
    Echo $file . " " . Var_export(rename($file, str_replace("(1.", ".", $file));
}

This is untested code and in theory it should echo the filename and true/false if the rename worked or not.

glob - Manual, It does not match just a.php and aa.php as a 'normal' regex would, because it matches 0 or more of You can use multiple asterisks with the glob() - function. Only use regex for this if you need to assert the position of the substring, e.g. if you have filenames like Copy (1)(1.23(1.jpg a simple string replacement will go wrong.

Only use regex for this if you need to assert the position of the substring, e.g. if you have filenames like Copy (1)(1.23(1.jpg a simple string replacement will go wrong.

$re = '/^(.+)\(1(\.[^\\\\]+)$/';
$subst = '$1$2';
$directory = '/my/root/folder';
if ($handle = opendir($directory )) { 
    while (false !== ($fileName = readdir($handle))) {     
        $newName = preg_replace($re, $subst, $fileName);
        rename($directory . $fileName, $directory . $newName);
    }
    closedir($handle);
}

The regular expression used searches for the part before and after the file extension, put the pieces into capturing groups, and glue them together again in the preg_replace without the (1.

rename - Manual, rename() can now rename files across drives in Windows. Examples ¶. Example #1 Example with rename(). <?php rename  Bulk Rename Utility is an easy to use file rename program (a.k.a. file renamer). Renaming multiple files and/or multiple folders has never been easier! It has a small memory footprint so it can be left running all the time without consuming all your memory.

Regex Tutorial: Converting Dates in Filenames With Bulk Rename , BRU is lightweight, powerful, and easy to use once you get the hang of PCRE regular expressions. Bulk Rename Utility utilizes/supports the Perl  Bulk Rename Utility supports many flexible renaming criteria, including: Rename files and/or folders Support for Regular Expressions Change the file name or use a fixed filename Convert the extension to lower case, upper case, title case - or replace it - or add a secondary extension - or remove it Replace text with other text Add a fixed

regex - Pattern based, batch file rename in terminal, The solution to the above example, using rename: rename -v -n 's/file_\d{1,3}/upl/' file_*.png. Usage: rename [options] [Perl regex  Advanced Renamer supports the use of regular expressions for pattern searching and replacing in several methods. The use of these expressions is primarily meant for power users and people with programming experience but none the less gaining knowledge of the basics will prove to be very rewarding.

[PDF] Bulk Rename Utility, Bulk Rename Utility is straightforward to use. the Regular Expressions box, or the New Location box, etc. 2. ASP:doc then any occurrence of php or ASP (or pHP or aSp) would be converted to upper-case, and every. Renaming multiple files at once. To rename multiple files in bulk with the same name structure, use these steps: Open File Explorer. Locate the folder with the files to rename. Click the View tab. Select the Details view. Click the Home tab. Click the Select all button.

Comments
  • Could you be more specific on what text you want to change in the file names? Giving one example is not robust enough to understand the replacement operation you want to do. Do you want to remove (1 from every file in the directory? Remove (1 from the end of the file name before the file extension? Being more specific will help us to better answer your question and create a better question overall.
  • The way that you use regex makes it so wide open that you might as well use strpos. Your regex will match any file with (1 anywhere, which is the same thing as what strpos will do but far much cheaper.
  • I believe it's actual files, not just strings with filenames.