I believe that the confusion here is that the standards specify use of <CR><LF> (as far back as RFC139, page 3, on a quick check) but *nix has a far simpler I/O model than was contemplated for the systems on the early ARPAnet. (ASCII itself is RFC20, by the way.)

So for correct and portable network usage, you are supposed to use "\015\012" rather than "\n" anyway, although Perl's ":crlf" PerlIO layer should cause "\n" to be emitted as "\015\012". Confused enough yet?

In reply to Re^9: How do I display only matches by jcb
in thread (SOLVED) How do I display only matches by tem2

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