Paul Moore wrote: > On 5/4/05, Alex Martelli <[EMAIL PROTECTED]> wrote: >> >> On May 4, 2005, at 01:57, Paul Moore wrote: >> > >> > I can't think of a reasonable condition which wouldn't involve reading >> > the file - which either involves an inner loop (and we already can't >> > break out of two loops, so the third one implied by the opening block >> > makes things no worse), or needs the whole file reading (which can be >> >> Looking for a file with a certain magicnumber in its 1st two bytes...? >> >> for name in filenames: >> opening(name) as f: >> if f.read(2) == 0xFEB0: break >> >> This does seem to make real-life sense to me... > > 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
Is there anything we could do about this? Reinhold -- Mail address is perfectly valid! _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
