Empty string is False right?

Scott David Daniels Scott.Daniels at Acm.Org
Sat Jan 31 18:48:24 CET 2009


Steve Holden wrote:
> AJ Ostergaard wrote:
>> I'm not suggesting it's not operating as advertised - I'm suggesting the
>> 'advertising' is slightly sguiffy if you catch my drift. I guess it's
>> just me that finds it slightly counter intuitive. Surely intuitively the
>> expression is "and" and therefore should always return a boolean?
...
> You might think so, and it wouldn't be an entirely unreasonable thought,
> but in practice it makes a lot of sense to retain the original value
> where possible.

For example:
     print name_from_form or default_name
or:
     main(sys.arg[1:] or ['default', 'args'])

--Scott David Daniels
Scott.Daniels at Acm.Org



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