This is a page from the Flash Renamer user manual.

Command Line

If you start Flash Renamer from a command prompt or .bat script you may give a number of arguments. This allows you to automate Flash Renamer. This means that you can tell Flash Renamer to load a path with files and then run one of your presets on this path.


    Each night you computer downloads a bunch of files, but they all have nasty looking filenames!
    First create a preset that makes your filenames look good. Let's call it my preset. Then use the Windows Task Scheduler to launch Flash Renamer every moring with the following command line:

    FlashRen.exe /p c:\download\*.* /r "my preset" /f