while true: !!!
Steve
smnordby at yahoo.com
Tue Dec 12 09:30:36 EST 2000
I dislike infinite while loops and use:
for line in file.readlines()
...do stuff...
No need for a break since it will automagically when it runs out of
lines.
-Steve-
Jaroslav Gergic wrote:
>
> Hello,
>
> one thing I dislike in many Python tutorials is
> the style of infinite 'while' loop with 'break' statements:
>
> > Python:
> >
> > file = open('file.input')
> >
> > count = 0
> > while 1:
> > lines = file.readlines(8192)
> > if not lines: break
> > count = count + len(lines)
> >
> > print count
> >
>
> I hate it so much I prefer to write something like this:
>
> line = fh.readline()
> while(line != ""):
> ... do something ...
> line = fh.readline()
>
> OK, it is ugly to write the same line of code twice,
> but 'while true' or 'while 1' is very non-programmer construction
> it smells like VisualBasic GOTO.
>
> Do you know better construction to avoid both - duplicate lines
> and horrible 'while 1' construction?
>
> Something like:
>
> while( "" != (line = fh.readline()) ):
> ... do something ...
>
> Thanks
> Gergi
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