using ffmpeg in a bash script to make multiple video snippets

My github files :
Script to make multiple snippets of videos
Script to make multiple snippets of videos and crop them

0:00 intro
0:58 csv format (without crop data)
2:28 bash script (without crop)
4:57 bash script (with crop)
5:12 csv format (with crop)
6:56 chmod command (make script executable)
7:09 command to run script
7:21 thankyou