So you just unboxed your new aluminum and glass Apple MacBook Pro. We walk you through the best way to set it up In the Application Support folder, locate and open the Dock folder. You'll find a number of files in the Dock folder, including one named desktoppicture.db, and one or more files starting with a. Feb 06, 2014  Hello, No, this is not the way. First, we must get the wallpaper from the database,. But what I don't understand is why the table data has 3 rows.

1. Library Application Support Dock Desktoppicture.db Blue Mac Screen Free
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script

Library Application Support Dock Desktoppicture.db Blue Mac Screen Free

Save to a file wherever it please you (I saved it to ~/scripts/apod.sh)
Maybe make sure it is executable: chmod 755 ~/scripts/apod.sh

Advanced background options for OSX

Per this stack overflow answer, the command below will set the background image for all of the spaces with a 7% black fill color and a scale setting of 'Fit to Screen'. Check out the SO post, customize to your liking, and replace in the script above :)

cron

Edit crontab to add a job to run everyday.
crontab.guru may be useful for you cron noobs

crontab -e

If you want some logging:
mkdir -p ~/scripts/apod.d && touch ~/scripts/apod.d/cron.logand update your crontab with the stdout redirect:

From the Finder in macOS, (Click anywhere on the Desktop where there isn’t already an app window, and you should see “Finder” appear in the upper left hand corner of your display, up near the Apple icon), click the “Go” menu item, and then hold down the SHIFT key on your Mac’s keyboard. Click on “Library” in the drop-down list. Now that our butts are covered, here’s how to find and display your User Library folder. How to see the library folder in mac. Opening the User Library Folder in macOS SierraIf you just need to access the user /Library folder on occasion, you can get into it by using the Finder “Go” menu.

Important note for OSX

Library Application Support Dock Desktoppicture.db Blue Mac Screen Download

On OSX I had to add a PATH variable to the top of my crontab so cron could have visibility to certain tools like wget and sqlite3 (wget was installed with brew install wget btw). Then crontab should look like:

Library Application Support Dock Desktoppicture.db Blue Mac Screen Replacement

Relevant article that gave me the idea and gist that got it working in OSX.