Bash script to convert OBS *.mkv files to *.mp4 that work with Canvas LMS

mkv2mp4.sh

#!/usr/bin/env bash

# 1. Save script as mkv2mp4.sh
# 2. chown +x mkv2mp4.sh
# 3. Use to convert default OBS *.mkv files to *.mp4 files that work with Canvas LMS

usage()
{
    cat <<EOF
 
 PURPOSE:
 Convert mkv files from obs into mp4 for Canvas.
 
 USAGE: 
 $0 <arguments>
 
 ARGUMENTS:
    [-i]        Name of input *.mkv file
    		
 EXAMPLE:
 
 ./mkv2mp4.sh -i intro.mkv


EOF
}

while getopts "hi:" opt;
do
    case $opt in
	h)
	    usage
	    exit 1
	    ;;
	i)
	    i=$OPTARG
	    ;;
	\?)
	    usage
	    exit 1
	    ;;
    esac
done

# set output file name
o="${i%%.*}".mp4

# code
ffmpeg -nostats -loglevel 0 -i $i -c copy -map 0 $o