On Thu, 8 Nov 2001, Lisa Neclos wrote:
> I am getting the following error when trying to run this. I'm trying to
> pass a hash as a reference to the subroutine.
>
> ERROR - Type of Arg 1 to each must be hash (not private variable)
>
> my $ref_hash ;
> %hash = ("sky", "blue", "grass", "green", "apple", "red") ;
> $ref_hash = \%hash ;
>
> sub print {
> while (my($key, $val) = each($ref_hash)) { #while hash has another
You need to dereference the reference:
while(my($key, $val) = each(%{$ref_hash})) {
-- Brett
------------------------------------------------------------------------
Every nonzero finite dimensional inner product space has an orthonormal basis.
It makes sense, when you don't think about it.
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