Subj : Re: while(in)
To   : borland.public.cpp.borlandcpp
From : Neil Duffee <No.Junk.E-Mail.to.NDuffee@UOttawa.ca>
Date : Mon Mar 22 2004 02:46 pm

"Wayne A. King" wrote:
> 
> On Sun, 21 Mar 2004 23:05:26 -0500, Les Hurley <lesmail@pa.net> wrote:
> >   while(in){in>>n;
> >                 cout<<n<<"  ";}
> 
> End of file is set when you try to read *past* the last data in the file.
> [snip]
> while(in >> n){cout<<n<<"  ";}

As an aid to illustrate the problem, aside from Wayne's excellent
solution, try:

while(in){n = 0;
	in>>n;
	cout<<n<<"  ";}

I'd expect you to get '1 2 3 4 5 0' since in>>n; is really two
lower-level steps ie. read from in then set n=in(value).
---------->  signature = 5 lines follows <--------------
Neil Duffee, Joe Systems Guy, U d'Ottawa, Ottawa, Ont, Canada
telephone:1 613 562 5800 x4585             fax:1 613 562 5161
mailto:NDuffee at uottawa.ca    http://aix1.uottawa.ca/ ~nduffee
"How *do* you plan for something like that?" Guardian Bob, Reboot
"For every action, there is an equal and opposite criticism."

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