It's not rubbish.
ack: better than grep.
airport: symlink to obscurely located
cack: search Rails log files for request blocks matching pattern.
csvpp: pretty-print CSV.
diff_rails_changelogs: does what it says on the tin.
dim: print image dimensions.
e: extract any archive.
fin: I have finished working on this git topic branch.
gem-home: open a gem's homepage.
gh: open a repo and/or commit on GitHub.
git-amend: fancy git amend.
git-promote: master → staging → production.
git-surround: show the commits surrounding a given commit.
git-track: make local branch track remote branch of same name.
ip: print your internal and external IP addresses.
jsonpp: pretty-print JSON.
markdown: original Markdown script.
mvim: launch MacVim.
open-chrome-url-in-safari: does what it says on the tin.
open-safari-url-in-chrome: does what it says on the tin.
tab: open a new Terminal tab in same directory as current tab.
transcode: convert a Quicktime movie to various formats.
wifi-meter: live signal and noise readings.
Copyright 2012 Andy Stewart.
Released under the MIT licence.