Some stuff that's not Perl

This CPP directive should not be read.
#define BARMAR 1

#perl

Still not perl.

#!

still not perl

#!/something/else

still not perl

#!/some/path/that/leads/to/perl -l

print "1..7";
if (-f 'run/switchx.aux') {
    print "ok 1 - Test file exists";
}
print "ok 2 - Test file utilized";
# other tests are in switchx2.aux

__END__

# This is ignored
print "not ok 2";