From: "HENRY,MARK (HP-Roseville,ex1)" <[EMAIL PROTECTED]>
> I'm passing a few variables into a function, and I want to be hip so I
> send them in as references..
>
> my_function (\$var_1, \$var_2);
>
> Now, within the function, can I dereference them immediately? I've
> assigning them to intermediate scalars first, which works, but I want
> to cut out the middle man..
>
> works:
>
> --
> sub my_function {
>
> my $var_1_ref=$_[0];
> my $var_2_ref=$_[1];
>
> print "var 1 is $$var_1 and 2 is $$var_2";
> --
>
> I want to be able to do something like..
>
> --
> print "var 1 is $$_[0] and 2 is $$_[1]";
> --
print "var 1 is ${$_[0]} and 2 is ${$_[1]}";
The reason is
$$_[0]
is the same as
${$_}[0]
This means ... dereference the array reference stored in $_ and
access the first element.
While what you want is "give me the first element of @_ and
dereference the scalar reference stored in it".
HTH, Jenda
===== [EMAIL PROTECTED] === http://Jenda.Krynicky.cz =====
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