png2icns
This is a script to easily convert a png image to an icns in the terminal in osx, using built-in tools.
Features
Compatible with retina displays.
Requirements
You will need a source image that is 1024 by 1024 pixels. One is provided for testing.
Usage
Simply run the script and either specify the path to your source png or put it in the same directory.
./png2icns.sh [path your source png]