File to dict

[Marc 'BlackJack' Rintsch]

On Fri, 07 Dec 2007 04:44:25 -0800, mrkafk wrote:

> Duncan Booth wrote:
>> But why do you construct a dict from that input data simply to throw it
>> away?
> 
> Because comparing strings for equality in a loop is writing C in
> Python, and that's exactly what I'm trying to unlearn.
> 
> The proper way to do it is to produce a dictionary and look up a value
> using a key.
> 
>>If you only want 1 domain from the file just pick it out of the list.
> 
> for item in list:
>     if item == 'searched.domain':
>         return item...
> 
> Yuck.

I guess Duncan's point wasn't the construction of the dictionary but the
throw it away part.  If you don't keep it, the loop above is even more
efficient than building a dictionary with *all* lines of the file, just to
pick one value afterwards.

Ciao,
	Marc 'BlackJack' Rintsch