two ideoms at one blow: line-reading and regexp-matching

[Simon Brunning]

> From:	Russell Nelson [SMTP:nelson at crynwr.com]
> There are two Python ideoms that bother me:
> 
>     while 1:
>         line = file.readline()
>         if not line: break
 
As of 2.2, try

for line in file:
    line.whatever()
 
> and:
> 
>     matched = re.match(r'egexp(.*)', line)
>     if matched:
>         print matched.group(1)
> 
> I'd really, really like it if you could do one(1) assignment within
> the boolean expression in a while and an if.
 
Assignments and expressions are different things in Python, and I suspect
that they will remain so - see
<http://www.python.org/cgi-bin/faqw.py?req=show&file=faq06.030.htp>. I
*hope* so, certainly.

Cheers,
Simon Brunning
TriSystems Ltd.
sbrunning at trisystems.co.uk




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