'while/else' (ugh) (was Re: [oclug] Ruby)

[Rod Giffin]

David F. Skoll said:
> On Fri, 27 Jun 2003, Rod Giffin wrote:
>
>> > while not found:
>> >     line = fp.readline()
>> >     if not line: break
>> >     if re.search(pattern, line):
>> >         found = True
>> > else:
>> >     print "we didn't find the pattern"
>
> Am I the only one who finds that repugnant?
>
> When, exactly, does the "else" fire?  If the loop is iterated zero
> times? If the loop is ever exited with "found" still false?

The else would not fire, unless "found" was true when you attempted to
enter the loop.

Rod.