The standard idiom is:
foreach my $item (@items) {
}
On 19 Jun 2001 14:41:40 -0700, Bob Mangold wrote:
> Thanks, that's what I thought was happening, but now I have another question.
> If I 'use strict' (and who doesn't), I am forced to declare $line before the
> foreach loop, except I can't just type 'foreach my($line) (<>)'. I have to type
> it on a preceeding line. If this is the case then why does perl localize it
> anyway. If i'm declaring it before that loop shouldn't its scope carry through
> the loop?
>
> -Bob
>
>
>
> --- Jeff 'japhy' Pinyan <[EMAIL PROTECTED]> wrote:
> > On Jun 19, Bob Mangold said:
> >
> > >I may have a bug somewhere in my code, but I can't find it. Before I
> > >look again though please answer this for me.
> >
> > >my ($line) = "hello";
> > >foreach $line (<>){
> > > ..... whatever
> > >}
> > >print $line;
> > >
> > >Should it print the last line in <> or 'hello'?
> >
> > I don't think the other responders tested their code. If they had, they'd
> > see that $line would retain its value.
> >
> > my $line = 1;
> > for $line (1 .. 10) { ; }
> > print $line; # 1
> >
> > This is because the looping variable is implicitly localized to the loop
> > itself. This is not a bug.
> >
> > --
> > Jeff "japhy" Pinyan [EMAIL PROTECTED] http://www.pobox.com/~japhy/
> > I am Marillion, the wielder of Ringril, known as Hesinaur, the Winter-Sun.
> > Are you a Monk? http://www.perlmonks.com/ http://forums.perlguru.com/
> > Perl Programmer at RiskMetrics Group, Inc. http://www.riskmetrics.com/
> > Acacia Fraternity, Rensselaer Chapter. Brother #734
> > ** Manning Publications, Co, is publishing my Perl Regex book **
> >
>
>
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