Siren
File renaming program
Siren is a free file renaming program distributed under the GPLv3 license. It runs on Windows (XP minimum) and GNU/Linux (GTK2 required). No installation is needed; users unzip and run the program. It renames files in bulk based on user-written expressions that can include file metadata (name, extension, size, dates, paths), extracted information from audio, video, image, document, and other file types, checksums, system date/time, clipboard content, text file lines, and environment variables. Features include case modification, substring extraction, string replacement, regular expressions, transliteration, date format changes, and using information from other files. Tools help write, keep, and reuse expressions. The program supports moving and copying files, working on entire directory trees, undo/redo, image thumbnail visualization, command-line usage, and monitoring of current directory changes. Under Windows, it does not write to the registry. A detailed help with examples is included.
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