http://subtlegradient.com/articles/2006/11/02/filename-filepath- completion-for-textmate-screencast
Part of the official TextMate Experimental Bundle (at the moment)
Filename / Filepath completion.
If figures out where your cursor is and if you’re in the middle of typng a filename or path and does an ls. Then pops up a menu to choose the filename you want.
Just watch the screencast
thomas Aylott — design42 — subtleGradient — CrazyEgg