Bookmarking What are the URL tricks to save YouTube offline.

TIL FIFTYONE - open-source tool for building high-quality datasets and computer vision models. Repo. Failed to install it on mac so far.

TIL how to extract directory, filename and extension in bash: ```bash [[ $path =~ ^(.{1,2}|./.{0,2})$|^(./)([^/]+)(.[^/])$|^(./)(.+)$|^(.+)(..*)$|^(.+)$ ]] dirpath=${BASH_REMATCH[1]}${BASH_REMATCH[2]}${BASH_REMATCH[5]} filename=${BASH_REMATCH[3]}${BASH_REMATCH[6]}${BASH_REMATCH[7]}${BASH_REMATCH[9]} filext=${BASH_REMATCH[4]}${BASH_REMATCH[8]}