1

I have a folder with hundreds of pictures like this:
Montana_1.jpg, Montana_2.jpg, …, Montana_4500.jpg

I only want to use the pictures where the name is multiple of 30. I was wondering if an AppleScript would

  1. Open the folder containing the pictures.
  2. Copy only the pictures that are multiple of 30 like
    Montana_30.jpg, Montana_60.jpg, …, Montana_120.jpg.
  3. Move to another folder.

Another way could be to delete any picture that is not multiple of 30.

2

You can do this from the command line. The following will match all images which are a multiple of 30 and copy them to the destination folder.

/bin/zsh -c "cp /path/to/source/Montana_{30..4500..30}.jpg /path/to/destination/"
  • Replace /path/to/source with the path to the containing folder for the images.
  • Replace 4500 with the number of the last image in the folder.
  • Replace /path/to/destination with the path to the containing folder where the images which are a multiple of 30 will be copied to.

To move instead of copy, replace cp with mv.
To use this in an AppleScript, you can ‘do shell script’.

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