#!/bin/bash
./youtube-dl -i -f bestvideo+bestaudio --merge-output-format mkv -o "SYNC/%(uploader)s/ID/%(id)s.mkv" $*

#!/bin/bash
./youtube-dl -i -f bestvideo+bestaudio --merge-output-format mkv -o "SYNC/$1/ID/%(id)s.mkv" $2

Replace uploader with a user-specified string.
Replace uploader with a user-specified string.
