Hi,

I have several folders full of image sequences from an animation.
The image frames are named Frame0001.png to Frame0900.png, somewhere along the way the images have been named in reverse order.

Is there a script that read the contents of a folder and renumber the files Frame0001.png - Frame0900.png to Frame0900.png - Frame0001.png?

You can try this bash script.

#!/bin/bash
for i in {1..900}
 do 
  mv $(printf "Frame%04d.png" $i) $(printf "Frame%04d.png.tmp" $((901-$i))) 
 done
for in in *.png.tmp
 do
   mv $i ${i%.*}
 done