Amazing! There were lots of great suggestions to my original post, but I this is my favorite.
Rick Fredrik Lundh wrote: > RickMuller wrote: > > > I'm posting this here because (1) I'm feeling smug at what a bright > > little coder I am > > if you want to show off, and use a more pythonic interface, you can do > it with a lot fewer lines. here's one example: > > def parseline(line, *types): > result = [c(x) for (x, c) in zip(line.split(), types) if c] or [None] > return len(result) != 1 and result or result[0] > > text = "H 0.000 0.000 0.000" > > print parseline(text, str, float, float, float) > print parseline(text, None, float, float, float) > print parseline(text, None, float) > > etc. and since you know how many items you'll get back from the > function, you might as well go for the one-liner version, and do > the unpacking on the way out: > > def parseline(line, *types): > return [c(x) for (x, c) in zip(line.split(), types) if c] or [None] > > text = "H 0.000 0.000 0.000" > > [tag, value] = parseline(text, str, float) > [value] = parseline(text, None, float) > > </F> -- http://mail.python.org/mailman/listinfo/python-list
