sxiang@student.math.uwaterloo.ca wrote:

> I'm going to write the GRE essay on computers very soon, and is timing
> myself to see how fast I can do computer compositions. So by
> subtracting the time last modified from the time of file creation I can
> figure out how much time I spent composing any one essay.

You may be interested with a revision control solution, a simple one
like RCS would do the trick: you could then issue a shell-script to
compare times between each opening.

Or maybe using your editor with "time" ?
(not too pretty a solution, I'll admit to that one).

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