rm -f IMG_9790.MOV
ffmpeg -i IMG_9812.MOV IMG_9812.mp4; rm -f IMG_9812.MOV
ffmpeg -i IMG_9813.MOV IMG_9813.mp4; rm -f IMG_9813.MOV
ffmpeg -i IMG_9871.MOV IMG_9871.mp4; rm -f IMG_9871.MOV