This code was created using the VIM editor on CYGWIN GNU/Linux emulation system (running on Win2000). When I create a file with an extension of .pl it automatically gets the permissions: -rwxr-xr-x. Thatīs the reason why I haven't used chmod or ./
But I think I must have included this info as a PS perhaps, this would stop confusing people about the code, me or universe ;-)