A good introduction to some useful features of awk. I don't use Unix tools like this nearly as much as I could/should.

This looks like a nice collection of simple, but capable, applications for a variety of platforms. I found quite a few I hadn't heard of before.

Looks like Merlin is tempted by Alpine too. Go for it Merlin - you won't regret it!

Useful tips on installing and configuring Alpine on Mac OS X.

Interesting-looking tool which allows you to see your Time Machine backups as something similar to a VCS.

Very cool little utility to pop up a context-aware command line window for executing quick commands.

Very cool tip about using Quick Look from the command line.

Ooo, I've got to give this a go: vi movement and editing commands in any Cocoa text window. Sweet.

Interesting app that converts standard shell scripts or Applescripts into a full MacOS X Service menu item.

Helps to construct command line interfaces for Ruby scripts. Distributed as a gem.

Excellent tutorial from Allan Odgaard on accessing the Mac OS X Keychain from the shell, so that passwords can be programmatically grabbed by shell scripts.

R tips and tricks

"After Safe Terminal is installed, the Terminal utility will show an alert before executing a shell script, allowing the user to confirm or cancel. The usage of the Terminal to type and run commands is not effected in any way."

This is really neat: lomo-ify your images via ImageMagick.

The converting images one was new to me, and very handy to know.