Splitting mp4 files into clips

cuts.txt

01.mp4 00:00:00 00:02:44
01.mp4 00:02:44 00:06:12
01.mp4 00:06:12 00:06:52
01.mp4 00:06:52 00:09:41
01.mp4 00:09:41 00:13:55
01.mp4 00:13:55 00:14:34
01.mp4 00:14:34 00:20:31
01.mp4 00:20:31 00:41:55
01.mp4 00:41:55 01:00:53
---
02.mp4 00:01:00 00:04:34

cutter.sh

#!/bin/bash

IFS=$'\n'
set -f
cc=1

for i in $(cat < "$1"); do
	if [ "$i" == "---" ]
	then
		cc=0
		continue
	fi

	fn=$(echo $i | awk '{print $1}')
	st=$(echo $i | awk '{print $2}')
	et=$(echo $i | awk '{print $3}')
	filename=$(basename -- "$fn")
	extension="${filename##*.}"
	filename="${filename%.*}"
	cfn=$(printf "%s_%d.mp4" $filename $cc)
	ffmpeg -i $fn -ss $st -to $et -c copy $cfn
	cc=$((cc+1))
done