Fixed length lists from .split()?

[Bob Greschke]

On 2007-01-26 11:13:56 -0700, Duncan Booth <duncan.booth at invalid.invalid> said:

> Bob Greschke <bob at passcal.nmt.edu> wrote:
> 
>> Is there a fancy way to get Parts=Line.split(";") to make Parts always 
>> have three items in it, or do I just have to check the length of Parts 
>> and loop to add the required missing items (this one would just take 
>> Parts+=[""], but there are other types of lines in the file that have 
>> about 10 "fields" that also have this problem)?
> 
>>>> def nsplit(s, sep, n):
> 	return (s.split(sep) + [""]*n)[:n]
> 
>>>> nsplit("bcsn; 1000001; 1456", ";", 3)
> ['bcsn', ' 1000001', ' 1456']
>>>> nsplit("bcsn; 1000001", ";", 3)
> ['bcsn', ' 1000001', '']

That's fancy enough. :)  I didn't know you could do  [""]*n.  I never 
thought about it before.

Thanks!

Bob