> sub foo {
> my @this_array = ( "one", "two", "three" );
>
> bar ( @this_array );
> }
>
> sub bar {
> my @that_array = @_;
> }
>
> So I'd pass a reference instead:
>
> sub foo {
> my @this_array = ( "one", "two", "three" );
>
> bar ( \@this_array );
> }
>
> sub bar {
> my $that_array = @_;
Problem. It should be
my ($that_array) = @_; or
my $that_array = $_[0]; or
my $that_array = shift;
>
> foreach @$that_array {
> # do stuff...
> }
> }
>
> Again, as I understand it the same applies to hashes
> as well but I'm more confused about hashes than I am
> about arrays. How do I de-reference the
> hash-reference so that I can use it in my subroutine -
> similar to the @$that_array example used above (but
> for hashes instead).
sub foo
{
my %hash = ( key1 => 'val1', key2 => 'val2', key3 => 'val3' );
bar (\%hash);
}
sub bar
{
my $hash_ref = shift;
for (keys (%$hash_ref)) {
print "Value for key $_ is $hash_ref->{$_}\n";
}
}
>
> Hopefully my question makes sense. Thanks in advance
> of your help.
>
> Jon Williams.
>
>
>
> __________________________________________________
> Do You Yahoo!?
> Get email alerts & NEW webcam video instant messaging with Yahoo! Messenger
> http://im.yahoo.com
>
> --
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
