On Sat, 2007-05-05 at 07:19 -0700, Tom Phoenix wrote:
> On 5/5/07, Ken Foskey <[EMAIL PROTECTED]> wrote:
>
> > foreach my $child (sort keys( $parent{$pid} )) {
> > dump_process( $child );
> > }
> >
> > Type of arg 1 to keys must be hash (not hash element) at ./visualise.cgi
> > line 46, near "} )"
>
> That's saying that you're giving the keys() operator a hash element,
> but it needs a hash. Is $parent{$pid} a reference to a hash? If so,
> you can dereference it as a hash:
>
> keys( %{ $parent{$pid} } )
>
> Now the argument to keys() is the hash whose reference was in $parent{$pid} .
Thanks, I tried %$parent{$pid} and %($parent{$pid}) but not %{}.
Seems to work now. Back to making this work :-)
Ta
Ken
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