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I have a folder with hundreds of GIF images. Some are static, and others are dynamic. How can I separate the static GIFs from the dynamic ones?

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You can use a free tool called ImageMagick. It can tell you how many images are in the GIF.

identify -format %n~%f\n *.gif

1~120406-00.gif
1~120406-01.gif
1~autonumbering.gif

%n number of images in current image sequence

%f filename (including suffix)

\n newline

The 1 is front indicates how many frames are in the image.

Anything more than 1 we can assume is an animated GIF.

| improve this answer | |
  • it doesn't work with non-ASCII names. I'll try to check encoding. but everything else is working fine, thanks – TarasPro Oct 7 '14 at 22:05
  • Sorry, I do not have any non-ASCII names to try out on my end. – Sun Oct 7 '14 at 22:07
  • It works! Just encoding issue – TarasPro Oct 7 '14 at 22:24

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