Welcome to Fauxtoshop!
Enter name of image file to open (or blank to quit): rainbow.png
Opening image file, may take a minute...
Which image filter would you like to apply?
	1 - Scatter
	2 - Edge detection
	3 - "Green screen" with another image
	4 - Compare image with another image
Your choice: 4
Now choose another image file to compare to.
Enter name of image file to open: this file doesn't exist lolol
Opening image file, may take a minute...
Enter name of image file to open: rainbow-love-you.png
Opening image file, may take a minute...
These images differ in 927 pixel locations!
Press Enter to continue ... 

Enter name of image file to open (or blank to quit): 
Exiting.