or download this
18:05 >perl -Mstrict -wE "package Foo; sub foo { say $x; } package mai
+n; $x = 42; Foo::foo;"
Global symbol "$x" requires explicit package name (did you forget to d
+eclare "my $x"?) at -e line 1.
...
Execution of -e aborted due to compilation errors.
18:06 >