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Newbie - batch resizing of images - Printable Version

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Newbie - batch resizing of images - prino - 12-18-2017

I've used GIMP for a couple of years, always interactive, but now I would like to resize a rather large number of TIF files to a standard format. I have two types of files, "fronts" (t???r???-???.tif) and "backs" (t???r???-???b.tif)

Manually, I would
  • open the file
  • change the only the canvas, to 2310 x 4842 pixels
  • only for the "backs", add an "x" offset that is the difference between 2310 and the previous size
  • click resize
  • flatten the image
  • export it with Deflate compression
  • quit

and repeat (ad nauseam).

Is there a simple way to do this scripted. I'm a z/OS guy, and although I've RTFM, Script-Fu might just as well be Chinese to someone who's used to PL/I and REXX. And to boot, I really would like to have something that I can enter from the Windows command-line...


RE: Newbie - batch resizing of images - Ofnuts - 12-18-2017

Gimp isn't the best tool for this. See ImageMagick.

PL/I and Rexx... So definitely over 50, likely over 60.