>perl poetest.pl Your vendor has not defined POSIX macro B38400, used at D:/Perl/site/lib/POE/Whe el/ReadLine.pm line 89 Compilation failed in require at (eval 31) line 1. BEGIN failed--compilation aborted at (eval 31) line 1. could not import qw(Wheel::ReadLine) at poetest.pl line 5 BEGIN failed--compilation aborted at poetest.pl line 5. E:\Documents and Settings\vijay\test>perl -v