m3u8 stream to mp4 using ffmpeg

Repost of GitHub Gist

echo "Enter m3u8 link:";read link;echo "Enter output filename:";read filename;ffmpeg -i "$link" -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 $filename.mp4

Or in simplest form

ffmpeg -i <url> -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 <filename>

Example

ffmpeg -i "http://host/folder/file.m3u8" -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 file.mp4