This script takes a directory of source images off of a GoPro camera (or something similar that takes time-lapse images), and creates a directory of images suitably-laid-out for ffmpeg, clustered by file creation time.
Example usage:
jof@cucumis ~/Desktop/timelapse/ffmpeg % gopro_timelapse ../ride_in .
Building destination symlink directories for 1 clusters.
You can now call ffmpeg like: ffmpeg -i /Users/jof/Desktop/timelapse/ffmpeg/sequence_0/image%04d.jpg sequence_0.mp4
Then, run ffmpeg as directed, and this will generate a time lapse movie into "sequence_0.mp4"