or you could leave out the "$key".
foreach (keys %pages) {
print "<a href=\"$pages{$_}\">$key</a>\n";
}
On Sun, 2002-06-23 at 08:59, Marty Landman wrote:
> At 07:37 AM 6/23/02 -0400, Kyle Babich wrote:
>
> >foreach $key(keys %pages) {
> > print "<a href=\"$pages{$key}\">$key</a>\n";
> >}
> >
> >It says I need it for $key but no matter where I put the my it won't
> >stop giving me that error. Where in that does the my go?
>
> Kyle, this is a syntactic 'not-nicety' of Perl imho. You need a separate
> line like so:
>
> my $key;
>
> This must of course go before the loop, preferably right before it as this
> is good style. Hope I don't get flamed to death now. :)
>
> BTW, an alternative that I sometimes use in the case where I need a bunch
> of scalars in a sub is to just declare a hash, e.g.
>
> my %vars;
>
> Now I can use $vars{moe}, $vars{curly} etc... to my heart's content with
> only the one 'my' variable.
>
> hth,
> Marty
>
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