If you happen to want to know how to run - say - the following command from inside an Objective-C application:

echo "something something" | multimarkdown

So that the fantastic [MultiMarkdown](http://fletcherpenney.net/multimarkdown/) runs its magic...

Here's a neat trick: Setting the current tmux window/pane title to the current running command. In case there is no command running, show the current working directory. But trim it a little, so we don't end up with huge window titles :)

In your...