On 2010-06-18, Steven D'Aprano <st...@remove-this-cybersource.com.au> wrote:
> On Thu, 17 Jun 2010 20:03:42 +0000, Neil Cerutti wrote:
>> I'm currently using the following without problems, while
>> reading a data file. One of the fields is a comma separated
>> list, and may be empty.
>>
>> f = rec['codes']
>> if f == "":
>> f = []
>> else:
>> f = f.split(",")
>>
>> I just wondered if something smoother was available.
>
> Seems pretty smooth to me. What's wrong with it? I assume
> you've put it into a function for ease of use and reduction of
> code duplication.
The part that's wrong with it, and it's probably my fault, is
that I can never think of it. I had to go dig it out of my code
to remember what the special case was.
> You could also use the ternary operator, in which case it's a
> mere two- liner and short enough to inline wherever you need
> it:
>
> f = rec['codes']
> f = f.split(",") if f else []
That's pretty cool.
Thanks to everybody for their thoughts.
--
Neil Cerutti
--
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