Use random photos from Unsplash as a desktop background on Ubuntu

unsplash-random.sh

#!/bin/bash
uuser="unsplash_user_name"
path="/home/aobasar/Pictures"
mkdir -p $path
size=$(xdpyinfo | grep dimensions | awk '{print $2}')

#if you dont care user 
#curl "https://source.unsplash.com/user/$uuser/$size" --location --output $path/unsplash-random.jpeg

curl "https://source.unsplash.com/$size" --location --output $path/unsplash-random.jpeg
gsettings set org.gnome.desktop.background picture-uri file://$path/unsplash-random.jpeg