Date: Fri, 03 Mar 2006 11:52:01 +0100 From: Kristian Vaaf <vaaf@broadpark.no> To: James Bailie <jimmy@jamesbailie.com>, Glenn Dawson <glenn@antimatter.net> Cc: questions@freebsd.org Subject: Re: script(1) > Why does it output in CR/LF? Message-ID: <7.0.1.0.2.20060303115120.022b0d30@broadpark.no> In-Reply-To: <440466CF.2000007@jamesbailie.com> References: <7.0.1.0.2.20060228112857.0035f998@broadpark.no> <7.0.1.0.2.20060228025256.039d9f68@antimatter.net> <440466CF.2000007@jamesbailie.com>
next in thread | previous in thread | raw e-mail | index | archive | help
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!
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?7.0.1.0.2.20060303115120.022b0d30>