Alfred | Run Script | Download YouTube video(s) by youtube-dl

alfred_script_youtube-dl.zsh

## Alfred : Run Script
## Options : /bin/zsh | with input as argv | Sequentially

alias youtube-dl='/usr/local/bin/youtube-dl'

if [[ -z "$1" ]]; then echo 'Please provide a URL'; return 1; fi

youtube_root="$HOME/YouTube"
[[ ! -d $youtube_root ]] || mkdir -p $youtube_root
if [[ $? -gt 0 ]]; then echo "Failed to create YouTube root directory : $youtube_root"; return 1; fi

if [[ "$1" =~ ^https:\/\/www\.youtube\.com\/ ]];
then
	params=${1#*\?}

	list_id=`echo $params | sed -nE 's/.*[&]?list=([^&]+).*/\1/p'`
	if [[ ${#list_id} -gt 0 ]];
	then
		dir="$youtube_root/_list/$list_id"
		url="https://www.youtube.com/playlist?list=${list_id}"
		[[ -d $dir ]] || mkdir -p $dir
		if [[ $? -gt 0 ]]; then echo "Failed to create video directory : $dir"; return 1; fi

		( cd $dir && youtube-dl -q --no-warnings $url 2>&1 && echo "List $list_id downloaded" || return 1 )
		return 0
	fi

	video_id=`echo $params | sed -nE 's/.*[&]?v=([^&]+).*/\1/p'`
	if [[ ${#video_id} -gt 0 ]];
	then
		dir="$youtube_root/_video"
		url="https://www.youtube.com/watch?v=${video_id}"
		[[ -d $dir ]] || mkdir -p $dir
		if [[ $? -gt 0 ]]; then echo "Failed to create video directory : $dir"; return 1; fi
		
		( cd $dir && youtube-dl -q --no-warnings $url 2>&1 && echo "Video $video_id downloaded" || return 1 )
		return 0
	fi
else
	dir="$youtube_root/_list/$(date +'%Y%m%d_%H%M%S')"
	[[ -d $dir ]] || mkdir -p $dir
	if [[ $? -gt 0 ]]; then echo "Failed to create video directory : $dir"; return 1; fi
	
	( cd $dir && youtube-dl -q --no-warnings $1 2>&1 && echo "Video downloaded" || return 1 )
	return 0
fi