Extract audio from all my downloaded YT .webm videos to .opus: for i in *.webm ; do echo "$i";ffmpeg -i "$i" -acodec copy -vn "${i%.*}.opus" ; done Nothing

Extract audio from all my downloaded YT .webm videos to .opus: for i in *.webm ; do echo "$i";ffmpeg -i "$i" -acodec copy -vn "${i%.*}.opus" ; done Nothing fancy.