Legacy ImageMagick Discussions Archive

My concern is getting some random results, lets say exif tags with the creation/modification date or tiny differences in the output files, because the jpeg compression chooses a different approach/startingpoint on each run, stuff like that.

If I use mogrify to scale down an image, will the output always be the same? I would like to compare the image later with diff to see which ones have changed or even put them in a repository. So if I use the same version of mogrify, will I always get the same result with the same parameters and ...