Script to generate a screenshot of Elon Musk's latest tweet and set it as your background wallpaper

elon_tweet.sh

#!/bin/bash

#sudo apt-get install jq imagemagick pngcrush nkf

#https://askubuntu.com/questions/403918/setting-cron-to-run-a-shell-script-random-wallpaper-from-a-webpage
# export DBUS_SESSION_BUS_ADDRESS environment variable
PID=$(pgrep gnome-session)
export DBUS_SESSION_BUS_ADDRESS=$(grep -z DBUS_SESSION_BUS_ADDRESS /proc/$PID/environ|cut -d= -f2-)

mkdir -p $HOME/Pictures/Elon_Tweets

PAGES2IMAGE_API_KEY="945ee343434e7358"

TWEET_JSON=$(bash $HOME/tweet.sh search -q "from:elonmusk" -c 1)
TWEET_ID_STR=$(echo $TWEET_JSON | jq .statuses[0].id_str | sed 's/"//g')
TWEET_URL="http://twitter.com/elonmusk/status/"$TWEET_ID_STR

echo "Latest Tweet ID is $TWEET_ID_STR"
logger "Latest Tweet ID is $TWEET_ID_STR"

if [ -e "$HOME/Pictures/Elon_Tweets/$TWEET_ID_STR.png" ]
then
	echo "Scheenshot of tweet $TWEET_ID_STR exists, exiting.."
	logger "Scheenshot of tweet $TWEET_ID_STR exists, exiting.."
else
	PAGES2IMAGE_RESPONSE_JSON=$(curl -s -X GET -G \
	'http://api.page2images.com/restfullink' \
	-d p2i_device=6 \
	-d p2i_key=$PAGES2IMAGE_API_KEY \
	-d p2i_size=1024x768 \
	-d p2i_screen=1024x768 \
	-d p2i_url=$TWEET_URL)
	PAGES2IMAGE_STATUS=$(echo $PAGES2IMAGE_RESPONSE_JSON | jq .status | sed 's/^.\(.*\).$/\1/')
	
	if [ "$PAGES2IMAGE_STATUS" = "processing" ]
	then
		PAGES2IMAGE_WAIT_TIME=$(echo $PAGES2IMAGE_RESPONSE_JSON | jq .estimated_need_time)
		echo "Screenshot job submitted for Tweet ID $TWEET_ID_STR, Wait Time: $PAGES2IMAGE_WAIT_TIME Seconds"
		logger "Screenshot job submitted for Tweet ID $TWEET_ID_STR, Wait Time: $PAGES2IMAGE_WAIT_TIME Seconds"
	elif [ "$PAGES2IMAGE_STATUS" = "finished" ]
	then
		PAGES2IMAGE_IMAGE_URL=$(echo $PAGES2IMAGE_RESPONSE_JSON | jq .image_url | sed 's/^.\(.*\).$/\1/')
		echo "Screenshot job complete, fetching file $TWEET_ID_STR.png"
		logger "Screenshot job complete, fetching file $TWEET_ID_STR.png"
		## Download the Screenshot and save it in appropriate folder		
		wget -O $HOME/Pictures/Elon_Tweets/$TWEET_ID_STR.png $PAGES2IMAGE_IMAGE_URL
		## Crop the Screenshot using ImageMagick
		convert $HOME/Pictures/Elon_Tweets/$TWEET_ID_STR.png -crop 640x750+185+30 ~/Pictures/Elon_Tweets/$TWEET_ID_STR.png
		## Set it as desktop background
		gsettings set org.gnome.desktop.background picture-options 'centered'
		gsettings set org.gnome.desktop.background picture-uri file://$HOME/Pictures/Elon_Tweets/$TWEET_ID_STR.png
	else
		echo "Screenshot job complete, Status = $PAGES2IMAGE_STATUS"
		logger "Screenshot job complete, Status = $PAGES2IMAGE_STATUS"
		echo $PAGES2IMAGE_RESPONSE_JSON
		logger $PAGES2IMAGE_RESPONSE_JSON
	fi
fi