Sakiv Blog

Everyone would agree that Bing Homepage Wallpaper are cool and refreshing daily. If you are on Mac you would be little jealous with Windows 8 desktop Wallpaper, which are refreshed on daily basis. Well, after looking around, I got the solution which refreshes your Mac desktop with Bing Daily Homepage.

1. Create a shell script file, bing-wallpaper.sh (you can rename it whatever you want):

#!/usr/bin/env bash

PICTURE_DIR="$HOME/Pictures/Bing-Wallpapers"

mkdir -p $PICTURE_DIR

# Picks
# urls=( $(curl -s http://www.bing.com | \
#     grep -Eo "url:'.*?'" | \
#     sed -e "s/url:'\([^']*\)'.*/http:\/\/bing.com\1/" | \
#     sed -e "s/\\\//g") )

urls=( $(curl -s http://www.bing.com | \
    grep -Eo "g_img={url: \".*?\"" | \
	sed -e "s/g_img={url: \"//g" | \
	sed -e "s/\"//g" | \
	sed -e "s/\\\u0026/\&/g" ) )

if [ "$urls" = "" ]
then	
	urls=( $(curl -s http://www.bing.com | \
    	grep -Eo "g_img={url: \".*?\"" | \
		sed -e "s/g_img={url: \"\([^\"]*\)\".*/http:\/\/bing.com\1/" | \
		sed -e "s/\\\//g" | \
		sed -e "s/\\\u0026/\&/g" ) )
fi

if [ "$urls" != "" ]
then
	
	if [[ $urls = //* ]]
	then
		urls="http:$urls"
	elif [[ $urls != http* ]]
	then
		urls="http://www.bing.com$urls"
	fi

	rm -Rf $PICTURE_DIR/*.*

#	Use this for today's Bing Wallpaper	
	filename=$(echo $urls|sed -e "s/.*\/\(.*\)/\1/")
	# echo $urls
	# exit 0
	curl -Lo "$PICTURE_DIR/$filename" $urls
		
#	Use this for today's and next day's Bing Wallpaper 
#		
#	for p in ${urls[@]}; do
#    	filename=$(echo $p|sed -e "s/.*\/\(.*\)/\1/")
#    	if [ ! -f $PICTURE_DIR/$filename ]; then
#        	echo "Downloading: $filename ..."
#        	curl -Lo "$PICTURE_DIR/$filename" $p
#    	else
#        	echo "Skipping: $filename ..."
#    	fi
#	done

	killall Dock
	exit 0
fi

exit 99

2. Provide execute rights on this file

chmod +x /Applications/Custom\ Apps/bing-wallpaper.sh

3. Create launchd scheduled job (com.yourname.bing-wallpaper.plist file) to run it every morning 7 AM and execute our shell script (create in Step #1)

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
   <key>Label</key>
   <string>com.yourname.bing-wallpaper</string>
   <key>ProgramArguments</key>
   <array>
      <string>/bin/bash</string>
      <string>/Applications/Custom Apps/bing-wallpaper.sh</string>
   </array>
   <key>LowPriorityIO</key>
   <true/>
   <key>Nice</key>
   <integer>1</integer>
    <key>KeepAlive</key>
    <dict>
        <key>SuccessfulExit</key>
        <false/>
    </dict>
    <key>RunAtLoad</key>
    <true/>
    <key>StartCalendarInterval</key>
    <dict>
      <key>Hour</key>
      <integer>7</integer>
      <key>Minute</key>
      <integer>0</integer>
    </dict>  
</dict>
</plist>

4. Copy this file to $HOME/Library/LaunchAgents folder

cp /folder/location/of/com.yourname.bing-wallpaper.plist $HOME/Library/LaunchAgents

5. Generally launchd load these jobs on login but you can load it manually

launchctl load $HOME/Library/LaunchAgents/com.yourname.bing-wallpaper.plist

If required, you can disable this job using following command –

launchctl unload $HOME/Library/LaunchAgents/com.yourname.bing-wallpaper.plist

You can find the status of job using the following command –

launchctl list | grep com.yourname

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