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This is perl, v5.10.1 (*) built for i686-linux-gnu-thread-multi (with 40 registered patches, see perl -V for more detail)
$ perl -E 'use lib sub {say "Using $_[1]"; sub {$_ = "1;"; 0}}, sub {d +ie}; use Blah; say "Hi!";' Using Blah.pm Blah.pm did not return a true value at -e line 1. BEGIN failed--compilation aborted at -e line 1.