mac.unspla.sh

#!/bin/sh
# mac.unspla.sh - Set your MacOS background image to a random unsplash image
# Created by Collin McKinley (bravotic.com)
# Adapted from the i3 variant


# Settings
RUN_AS_DAEMON=0                           # Run unspla.sh as a daemon if 1, if 0 unspla.sh will set the image then exit
BACKGROUND_RES="1920x1080"                # Set the size of unsplash images to pull
PARAMETERS="backgrounds"                  # Set any other parametes to pull in images. add a comma between parameters ( nature, backgrounds)
BACKGROUND_COMMAND="osascript -e 'tell application \"System Events\" to tell every desktop to set picture to"       
IMAGE_SAVE_DIR="/tmp/unsplash/photo.jpg"  # Directory to save the images to

#Do not change unless you need to
UNSPLASH_URL="https://source.unsplash.com/random/$BACKGROUND_RES/?$PARAMETERS"

# Daemon Settings (only modify if you are using unspla.sh as a daemon)
UPDATE_INTERVAL=86400                     # How long to wait before changing the picture (seconds)


mkdir -p /tmp/unsplash

if [ $RUN_AS_DAEMON = 1 ]
then
  printf "Launching into background"
  while :
  do
    wget --quiet $UNSPLASH_URL -4 -O $IMAGE_SAVE_DIR
    cmd="$BACKGROUND_COMMAND \"$IMAGE_SAVE_DIR\"'"

    $cmd
    killall Dock
    sleep $UPDATE_INTERVAL
  done &
else
    wget --quiet $UNSPLASH_URL -4 -O $IMAGE_SAVE_DIR
    cmd="$BACKGROUND_COMMAND \"$IMAGE_SAVE_DIR\"'"

    $cmd
    killall Dock
fi