watch.py – run command when file changes

I decided that Ian Piumarta’s tiny watch utility looked nifty, and that it would be nice to have a cross-platform, no-compile-required version. Granted, watch.c compiles using default make rules, so “no compile” is a bit arbitrary.

Anyways, the result is watch.py.

Oddly enough, the two implementations have the exact same physical line counts!

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