I have a Windows Server 2003 server that has a whole bunch of filenames that need renaming. Basically, I just need all - (hyphens) replaced with _ (underscores), no matter where they are in the filename. Assume that there are no duplicates.
I can do this on my Mac with a little script but the files are too large and crazy to transfer to my Mac, rename, then go back to the server. Is it possible to do this in a Windows command prompt without having to download a renamer or any additional software?
Answer
From the command prompt - assuming that all of your files are in the same directory:
ONE-LINER
for /f "tokens=* delims= " %i in ('dir /b "*.txt"') do Set LIST=%i& set LIST | ren "%~fi" "%LIST:-=_%"
Keep in mind that this is a one shot per command prompt window. That means if you cancel this for any reason, then you'll need to open another command prompt and run again.
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