From: me@somewhere.invalid   
      
   "Kerr-Mudd,John"  wrote:   
      
   >On Sat, 10 Oct 2020 09:02:39 GMT, Terry Pinnell    
   >wrote:   
   >   
   >> Terry Pinnell  wrote:   
   >>   
   >>>I'm looking for a way to change all the extensions in a folder AND its   
   >>>subfolders. My batch skills have dropped over the decades from novice   
   >to   
   >>>almost non-existent so I'd much appreciate some help please.   
   >>>   
   >>>I do have the excellent tool Bulk Rename Utility but that applies   
   >>>filename changes at single folder level. My parent folder has scores of   
   >>>children (and quite a few grandchildren), so that would be tedious and   
   >>>time consuming.   
   >>>   
   >>>Specifically, I want all the *.ino files within say c:\docs\xyz to   
   >>>become *.txt.   
   >>>   
   >>>If it matters, I'm using Win 10 Pro.   
   >>>   
   >>>Terry, East Grinstead, UK   
   >>   
   >> I'd still like to see a BAT solution for comparison, but meanwhile   
   >> further googling gave me this neat method at a command prompt, with the   
   >> parent directory selected:   
   >>   
   >> for /R %x in (*.ino) do ren "%x" *.txt   
   >>   
   >> Terry, East Grinstead, UK   
   >>   
   >   
   >Well, to put it in a batch double the percents! Maybe stick an '@echo   
   >off' before it, if you don't want to see the results.   
   >   
   >Note that the rename will fail for 'example.ino' if there's already a   
   >'example.txt' in the same directory.   
      
   Thanks.   
      
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