test.pl:

use lib qw(.);
use base;
use strict;

my %OID = (
  'myoid' =>
  {
    'name' => 'myoid',
    'type' => 'string',
  },
  'myoid2' =>
  {
    'name' => 'myoid2',
    'type' => 'string2',
  },
);

my $buh = "myoid";

test($OID{$buh});



base.pm:

use Exporter;
use strict;
no strict 'refs';

use vars qw(@EXPORT @ISA @EXPORT_OK);
@EXPORT = qw(test);
@ISA = qw(Exporter);

my $oid_name;
my $oid_type;

sub test {

  my ($in) = @_;


    foreach my $item (keys %{ $in }) {
      print "(ITM)  -> $item\n";
      print "(VAL)    -> $in->{$item}\n";

      ${ "oid_$item" } = $in->{$item};
    }

    print "oid_name is '$oid_name'\n";
    print "oid_type is '$oid_type'\n";

}
1;