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Global symbol "$user_entry_don" requires explicit package name at ...
Execution of ... aborted due to compilation errors.
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$dialog_top->Button(-text=>"OK",-command=>sub {$user_entry_don
+e = 1 unless($temp_var =~ m/^$/);})->pack;
- or download this
$dialog_top->Button(-text=>"OK",-command=>sub {$user_entry_don
+e = 1 unless($temp_var =~ m/^$/);})->pack;