I made this small script that takes four PICO-8 gifs and creates a 2x2 mosaic gif (with all the gifs running side by side).
It assumes the default gif settings (256x256, duration is irrelevant as long as all the gifs are of same duration) and thus creates a 512x512 gif. This is very useful for tweets etc. You might want to run some gif optimizer afterwards.
I included a Windows batch file and a shell script so you can run it on any system that PICO-8 supports, as long as you have Imagemagick installed.
How to use (Windows):
mosaic.bat top_left.gif top_right.gif bottom_left.gif bottom_right.gif output.gif
Or on Linux/Mac:
./mosaic.sh top_left.gif top_right.gif bottom_left.gif bottom_right.gif output.gif
If you have the maximum GIF length set to something like 10 seconds (which is the default) it will capture exactly the last 10 seconds. That way you basically never have to hit F8, unless you have set the max length to something crazy!
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