package PARAMIN; use strict; use Tk; sub inputWindow{ my $result = $_[0]; my $mw = MainWindow->new(-title=>"Parameter Input"); my $in = $mw->Entry(-textvariable=>$result)->pack(); my $submit = $mw->Button(-text=>"Enter", -command=>sub{})->pack(); MainLoop; } 1; package RESULT; sub TIESCALAR{ my $class = shift; my $state;#= 0; #print "IN TIE\n"; return bless \$state, $class; } sub FETCH{ my $self = shift; return $$self; } sub STORE{ my $self = shift; $$self = shift; #print "IN STORE\n"; } 1; #### use PARAMIN; tie $result, 'RESULT'; &PARAMIN::inputWindow(\$result); print $result;