[Python-Dev] PEP 340: Breaking out.

[Aahz]

On Wed, May 04, 2005, Paul Moore wrote:
>
> Yes, that'd do. I can't say I think it would be common, but it's a
> valid case. And the workaround is the usual messy flag variable:
> 
> for name in filenames:
>     found = False
>     opening(name) as f:
>         if f.read(2) == 0xFEB0: found = True
>     if found: break

My standard workaround is using exceptions, but I'm not sure how that
interacts with a block:

    try:
        for name in filenames:
            with opened(name) as f:
                if f.read(2) == 0xFEB0:
                    raise Found
    except Found:
        pass
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

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