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  1. or download this
    package imp;
*main::foo = \42;
  2. or download this
    perl -le 'BEGIN { require "imp.pl"}; use strict; print $foo'
  3. or download this
    perl -le 'BEGIN { require "imp.pl"}; use strict; print $foo'
Variable "$foo" is not imported at -e line 1.
Global symbol "$foo" requires explicit package name at -e line 1.
Execution of -e aborted due to compilation errors.
  4. or download this
    perl -le 'BEGIN { require "imp.pl"}; use strict; print $bar'
Global symbol "$bar" requires explicit package name at -e line 1.
Execution of -e aborted due to compilation errors.