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JavaScript Shell Command Line Processing

This post demonstrates how to provide robust support for command line argument processing in a JavaScript shell using the classical Unix getopts paradigm. It also demonstrates how to access environmental variables from a JavaScript shell.

Switching Linux Web Browser To Google Chrome

I finally broke down and decided to switch to using the Google Chrome web browser on my Linux platforms instead of Mozilla Firefox.

HTML5 Canvas Element Rubber Banding

This post demonstrates one method of implementing rubber banding on a HTML5 canvas element using JavaScript. It also demonstrates how to horizontally flip, emboss, invert, and gray (grey) sections of an image.