On Aug 25, 2000 at 21:02:32 -0400, Billy Donahue twiddled the keys to say:
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> On Fri, 25 Aug 2000, Rick Myers wrote:
>
> > From: Rick Myers <[EMAIL PROTECTED]>
> >
> > On Aug 24, 2000 at 23:15:15 -0500, Ken Williams twiddled the keys to say:
> > > [EMAIL PROTECTED] (Rick Myers) wrote:
> > > >
> > > >+ ++$lines while defined <FH>;
> > >
> > > THAT's weird - what in the world is the read-only value that's being
> > > modified?
> >
> > It's $_.
>
> And why is $_ read-only?
I'm clueless about the perlguts involved here, but I'm thinking
ultimately because it's global...
perl -e 'test($_) for qw/a b c/; print "OK\n"; sub test {$_=0}'
Modification of a read-only value attempted at -e line 1.
perl -e 'test($_) for qw/a b c/; print "OK\n"; sub test {local $_=0}'
OK
Rick Myers [EMAIL PROTECTED]
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The Feynman Problem 1) Write down the problem.
Solving Algorithm 2) Think real hard.
3) Write down the answer.
