While importing images from my iPhone using Image Capture on my mac, I discovered that almost all pictures had corresponding videos. They had the same name, only the file extension was different: IMG_2829.JPG IMG_2829.MOV For archiving I don’t to have live photo videos, that’s why I needed a script for that. I found a good start in an answer on SuperUser.stackexchange.com: OSX Command line Find Duplicate Filenames with different extensions I altered it a bit to remove the corresponding .