use Getopt::Std;
require "/path/filename"; # Here's my datafile.
getopts('f:');
#Here's the part I'd like to have create my array of arrays
#if ( $opt_f ) {
#        chomp $opt_f ;
#        @combined = $opt_f; # The offending line.
#}
#Here's what would work, if only the names weren't variable
@combined = ( @array1,@array2);
foreach $entry ( @combined )
{
        print "return:  $entry \n";
}