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#!/usr/bin/perl -w ... package main; # terminate("arturo"); # produces an error if you uncomment it
#!/usr/bin/perl -w ... $Robert = "the boss"; # error! print "\$Robert = $Robert\n";
#!/usr/bin/perl -w ... $main::Robert = "the boss"; print "\$main::Robert = $main::Robert\n";
#!/usr/bin/perl -w ... print "Here at work, 'Robert' is $Robert, but over at the pool hall, ' +Robert' is $PoolHall::Robert\n";
#!/usr/bin/perl -w ... print "\$foo: $foo\n"; # prints "Hey!" -- the my variable's still in s +cope # if we hadn't made that declaration above, this would be an error: th +e # interpreter would tell us that Bar::foo has not been defined.
#~/usr/bin/perl -w ... package Movie; print "Bob => $bob, Carol => $carol\n";
#!/usr/bin/perl -w ... sub showfoo { return $foo; }
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