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From: xsimon@its63b.UUCP
Newsgroups: comp.unix.wizards
Subject: Re: SysV shell questions
Message-ID: <612@its63b.ed.ac.uk>
Date: Mon, 31-Aug-87 15:33:57 EDT
Article-I.D.: its63b.612
Posted: Mon Aug 31 15:33:57 1987
Date-Received: Thu, 3-Sep-87 06:19:07 EDT
References: <10279@orchid.waterloo.edu> <5980007@hpfcdc.HP.COM> <6330@brl-smoke.ARPA> <2888@ulysses.homer.nj.att.com>
Reply-To: xsimon@its63b.ed.ac.uk (Simon Brown)
Organization: Computer Science Department, Edinburgh University
Lines: 36

In article <2888@ulysses.homer.nj.att.com> dgk@ulysses.homer.nj.att.com (David Korn[eww]) writes:
>
>ksh has the print built-in command which subsumes both BSD and Sys V echo.
>print -r does not perform escape sequence expansions
>print -n does not echo a newline
>print -u2 will echo into file descriptor 2.
>
>David Korn
>{ihnp4,allegra}ulysses!dgk

I don't see why a "print -u2" is necessary. Is this a particular example of
a more-general "print-on-a-named-descriptor" feature (so that "print -u4", etc..
will do The Obvious Thing), or is it a once-off? In either case, there seems
little point in introducing extra syntax for doing what can be easily done with
existing syntax - namely "print ... 1>&2".

Or is it that you cannot redirect i/o on a builtin in ksh? (I know, I should
try this out to see, but that involves fetching sources off tape and compiling
them which will take years and years...)

Another thing - it looks like this "print" built-in cannot be used to echo
anything that already begins with a "-" (because this would get interpreted
as an option-flag). Or is there another option-flag to say "No more flags, just
echo the rest!".

    %{
	Simon.
    %}

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| Simon Brown                    | UUCP:  seismo!mcvax!ukc!its63b!simon
| Department of Computer Science | JANET: simon@uk.ac.ed.its63b
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