use 5.006; #### #!perl require 5.006; use strict; our $var = 7; __END__ Global symbol "$var" requires explicit package name at tmp.pl line 4. Execution of tmp.pl aborted due to compilation errors. #### #!perl use 5.006; use strict; our $var = 7; __END__ Perl 5.006 required--this is only version 5.00503, stopped at tmp2.pl line 1. BEGIN failed--compilation aborted at tmp2.pl line 1.