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Date: Fri, 03 Mar 2006 11:52:01 +0100
From: Kristian Vaaf <vaaf@broadpark.no>
In-reply-to: <440466CF.2000007@jamesbailie.com>
To: James Bailie <jimmy@jamesbailie.com>, Glenn Dawson <glenn@antimatter.net>
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Cc: questions@freebsd.org
Subject: Re: script(1) > Why does it output in CR/LF?
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At 16:05 28.02.2006, James Bailie wrote:
>Glenn Dawson wrote:
>
> > At 02:30 AM 2/28/2006, Kristian Vaaf wrote:
> >
> >> Hello.
> >>
> >> I am just curious why the files I generate with script(1) output in CR/LF
> >> forcing me to run dos2unix on them everytime?
> >
> >
> > Script just captures the output of your shell, and your shell has to
> > send crlf in order to get the cursor back to the beginning of a line.
>
>No it doesn't.  The script(1) utility interposes a
>pseudo-terminal between the program whose output is to be
>captured and itself, so the program thinks its running on a
>terminal device and behaves accordingly.  Then script(1) acts
>like a transparent filter, shuttling data back-and-forth from the
>actual terminal to the pseudo-terminal, while sending a copy of
>the program's output to the log file as well.  It is the terminal
>driver in canonical mode, "inside" the pseudo-terminal, that is
>expanding NLs in the proggy's output stream into CRNL pairs.
>
>--
>James Bailie <jimmy@jamesbailie.com>
>http://www.jamesbailie.com

Thank you man, that was a wonderful description :)

The last question though,
don't you find it the least bit stupid?

Thanks!