YoutubeDL-V2.sh

#!/bin/bash

# extend PATH variable; dirty workaround for the audio extraction feature which requires ffmpeg
PATH=$PATH:/usr/local/bin

# save tool paths in variables
CocoaDialog='/Applications/cocoaDialog.app/Contents/MacOS/cocoaDialog'
YoutubeDL='/usr/local/bin/youtube-dl'

# get clipboard content
Clipboard=$(pbpaste)

# run cocoaDialog
# the Return variable contains the selected button string (Cancel,Audio,Video) and the textbox string (URL) in case of Audio and Video
# e.g. "Audio https://www.youtube.com/watch?v=PZeU7S2xKpA"
Return=`$CocoaDialog inputbox --string-output --no-newline --float --title "YoutubeDL" --informative-text "VideoURL" --text "$Clipboard" --button1 "Video" --button2 "Audio" --button3 "Cancel"`

# check if aborted
if [ ${Return:0:6} == "Cancel" ]; then
   exit 0;
fi

# split Return variable into Audio/Video and URL
Type=${Return:0:5}
URL=${Return:6}

# create audio extraction flag
if [ $Type == "Audio" ]; then
   ExtractAudio="-x";
else
   ExtractAudio="";
fi

# run youtube-dl
$YoutubeDL ${ExtractAudio} -o "/Users/${USER}/Downloads/%(title)s.%(ext)s" $URL

# create info bubble
if [ $? -eq 0 ]; then
   $CocoaDialog bubble --timeout 3 --title "YoutubeDL" --text "Download Successful";
else
   $CocoaDialog bubble --timeout 3 --title "YoutubeDL" --text "Download Failed";
fi

exit 0;