Re: Piping to stdin

From	Spiros Bousbouras <spibou@gmail.com>
Newsgroups	comp.unix.programmer
Subject	Re: Piping to stdin
Date	2023-08-13 14:27 +0000
Organization	A noiseless patient Spider
Message-ID	<LtQSo3SOOU09AXJ1X@bongo-ra.co> (permalink)
References	<9e7a4bd1-bfbb-4df7-af1a-27ca9625e50bn@googlegroups.com> <U4x2oQwlZ0Kk8WwnO@bongo-ra.co> <f2044b26-5a38-493d-9ab9-906bf73b0499n@googlegroups.com>

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On Sun, 13 Aug 2023 07:07:55 -0700 (PDT)
Malcolm McLean <malcolm.arthur.mclean@gmail.com> wrote:
> On Sunday, 13 August 2023 at 14:55:57 UTC+1, Spiros Bousbouras wrote:
> > [ Followup-To: comp.unix.programmer ]
> > On Sun, 13 Aug 2023 06:42:17 -0700 (PDT) 
> > Malcolm McLean <malcolm.ar...@gmail.com> wrote: 
> > > On Unix-lke systems, what is the convention for putting a program into a 
> > > mode where it accepts input from stdin? 
> > > Where the user invokes it directly, he'll normally want input from a file. So 
> > > the normal invocation would be 
> > > 
> > > myprogram myinput.txt 
> > > 
> > > But if he just types "myprogram" it should display brief help text. So we 
> > > can't omit the filename to make the program read from stdin.
[...]
> > > So do you pass an option 
> > > 
> > > myprogram -stdin 
> > > 
> > > or what is the normal way of solving this?
> > - (a single dash) as argument. Even if the programme accepts multiple file 
> > name arguments , a single dash among those means "read from stdin". 
> > 
> So conventionally the file name is "-"? 

Yes.

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Re: Piping to stdin Spiros Bousbouras <spibou@gmail.com> - 2023-08-13 13:55 +0000
  Re: Piping to stdin Spiros Bousbouras <spibou@gmail.com> - 2023-08-13 14:27 +0000
    Re: Piping to stdin gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-14 00:59 +0000
      Re: Piping to stdin Kaz Kylheku <864-117-4973@kylheku.com> - 2023-08-14 03:07 +0000
        Re: Piping to stdin gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-14 03:12 +0000
          Re: Piping to stdin kalevi@kolttonen.fi (Kalevi Kolttonen) - 2023-08-14 15:14 +0000
            Re: Piping to stdin "Gary R. Schmidt" <grschmidt@acm.org> - 2023-08-15 12:50 +1000
              Re: Piping to stdin Kaz Kylheku <864-117-4973@kylheku.com> - 2023-08-15 04:59 +0000
                Re: Piping to stdin Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-08-14 23:15 -0700
                Re: Piping to stdin Richard Kettlewell <invalid@invalid.invalid> - 2023-08-15 08:50 +0100
                Dealing with weird filenames (Was: Piping to stdin) gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-15 08:10 +0000
                Re: Piping to stdin David Brown <david.brown@hesbynett.no> - 2023-08-15 15:34 +0200
                Re: Piping to stdin Richard Harnden <richard.nospam@gmail.com> - 2023-08-15 19:50 +0100
                Re: Piping to stdin scott@slp53.sl.home (Scott Lurndal) - 2023-08-15 20:16 +0000
                Re: Piping to stdin vallor <vallor@cultnix.org> - 2023-08-16 06:34 +0000
                Re: Piping to stdin Richard Kettlewell <invalid@invalid.invalid> - 2023-08-16 17:39 +0100
                Re: Piping to stdin scott@slp53.sl.home (Scott Lurndal) - 2023-08-16 17:37 +0000
                Re: Piping to stdin gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-16 17:43 +0000
                Re: Piping to stdin Spiros Bousbouras <spibou@gmail.com> - 2023-08-16 19:22 +0000
                Re: Piping to stdin Kaz Kylheku <864-117-4973@kylheku.com> - 2023-08-16 20:10 +0000
                Re: Piping to stdin Kaz Kylheku <864-117-4973@kylheku.com> - 2023-08-16 20:11 +0000
                Re: Piping to stdin Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-08-16 13:35 -0700
                Re: Piping to stdin Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2023-08-17 13:34 +0100
                Re: Piping to stdin Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-08-17 14:27 -0700
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-17 14:51 +0300
                Re: Piping to stdin James Kuyper <jameskuyper@alumni.caltech.edu> - 2023-08-16 01:37 -0400
                Re: Piping to stdin David Brown <david.brown@hesbynett.no> - 2023-08-16 13:14 +0200
                Re: Piping to stdin Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2023-08-15 12:08 -0600
                Re: Piping to stdin Richard Harnden <richard.nospam@gmail.com> - 2023-08-16 09:32 +0100
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-16 17:27 +0300
              Re: Piping to stdin kalevi@kolttonen.fi (Kalevi Kolttonen) - 2023-08-15 14:30 +0000
                Re: Piping to stdin Giovanni <lsodgf0@home.net.it> - 2023-08-15 17:14 +0200
                Re: Piping to stdin gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-15 15:48 +0000
                Re: Piping to stdin kalevi@kolttonen.fi (Kalevi Kolttonen) - 2023-08-15 16:12 +0000
                Re: Piping to stdin Muttley@dastardlyhq.com - 2023-08-15 16:15 +0000
                Re: Piping to stdin kalevi@kolttonen.fi (Kalevi Kolttonen) - 2023-08-15 16:22 +0000
                Re: Piping to stdin Muttley@dastardlyhq.com - 2023-08-17 10:26 +0000
                Re: Piping to stdin kalevi@kolttonen.fi (Kalevi Kolttonen) - 2023-08-17 14:23 +0000
                Re: Piping to stdin scott@slp53.sl.home (Scott Lurndal) - 2023-08-17 15:25 +0000
                Re: Piping to stdin Kaz Kylheku <864-117-4973@kylheku.com> - 2023-08-15 17:33 +0000
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-15 23:32 +0300
                Re: Piping to stdin Muttley@dastardlyhq.com - 2023-08-17 10:32 +0000
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-17 14:57 +0300
                Re: Piping to stdin Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2023-08-17 13:49 +0100
                Re: Piping to stdin Muttley@dastardlyhq.com - 2023-08-17 15:15 +0000
                Wrecking a good thing? (Was: Piping to stdin) gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-17 14:09 +0000
                Re: Wrecking a good thing? Phil Carmody <pc+usenet@asdf.org> - 2023-08-18 00:39 +0300
                Re: Wrecking a good thing? (Was: Piping to stdin) David Brown <david.brown@hesbynett.no> - 2023-08-18 11:17 +0200
                Re: Piping to stdin Muttley@dastardlyhq.com - 2023-08-17 15:14 +0000
                Re: Piping to stdin Kaz Kylheku <864-117-4973@kylheku.com> - 2023-08-17 13:52 +0000
                Re: Piping to stdin Muttley@dastardlyhq.com - 2023-08-17 15:20 +0000
                Re: Piping to stdin Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-08-17 13:43 -0700
                Re: Piping to stdin David Brown <david.brown@hesbynett.no> - 2023-08-18 11:28 +0200
                Re: Piping to stdin Ben Bacarisse <ben.usenet@bsb.me.uk> - 2023-08-17 21:52 +0100
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-19 13:33 +0300
                Re: Piping to stdin Oğuz <oguzismailuysal@gmail.com> - 2023-08-19 16:15 +0300
                Re: Piping to stdin Muttley@dastardlyhq.com - 2023-08-19 14:48 +0000
                Re: Piping to stdin scott@slp53.sl.home (Scott Lurndal) - 2023-08-20 17:24 +0000
                Re: Piping to stdin Muttley@dastardlyhq.com - 2023-08-20 19:21 +0000
                Re: Piping to stdin Rainer Weikusat <rweikusat@talktalk.net> - 2023-08-20 21:57 +0100
                What language is this? (Was: Piping to stdin) gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-20 22:33 +0000
                Re: What language is this? (Was: Piping to stdin) scott@slp53.sl.home (Scott Lurndal) - 2023-08-21 01:26 +0000
                Re: What language is this? (Was: Piping to stdin) gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-21 02:57 +0000
                Re: What language is this? Rainer Weikusat <rweikusat@talktalk.net> - 2023-08-21 17:16 +0100
                Re: What language is this? gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-21 19:10 +0000
                Re: What language is this? Rainer Weikusat <rweikusat@talktalk.net> - 2023-08-21 20:31 +0100
                Re: What language is this? gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-21 20:29 +0000
                Re: What language is this? Rainer Weikusat <rweikusat@talktalk.net> - 2023-08-21 21:48 +0100
                Re: What language is this? (Was: Piping to stdin) Muttley@dastardlyhq.com - 2023-08-21 06:50 +0000
                Re: Piping to stdin Ben Bacarisse <ben.usenet@bsb.me.uk> - 2023-08-19 21:14 +0100
                Re: Piping to stdin kalevi@kolttonen.fi (Kalevi Kolttonen) - 2023-08-20 02:02 +0000
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-15 23:24 +0300
                Re: Piping to stdin Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2023-08-15 20:50 +0000
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-16 17:11 +0300
                Re: Piping to stdin Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2023-08-16 15:25 +0000
                Re: Piping to stdin Kaz Kylheku <864-117-4973@kylheku.com> - 2023-08-16 19:29 +0000
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-17 14:49 +0300
                Re: Piping to stdin Ben Bacarisse <ben.usenet@bsb.me.uk> - 2023-08-16 03:20 +0100
                Re: Piping to stdin Phil Carmody <pc+usenet@asdf.org> - 2023-08-15 18:33 +0300
      Re: Piping to stdin "Nuno Silva" <nunojsilva@invalid.invalid> - 2023-08-14 09:45 +0100
  Re: Piping to stdin Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2023-08-13 21:26 -0600
    Re: Piping to stdin Spiros Bousbouras <spibou@gmail.com> - 2023-08-14 09:24 +0000
      Re: Piping to stdin Ben Bacarisse <ben.usenet@bsb.me.uk> - 2023-08-14 11:29 +0100
        Re: Piping to stdin gazelle@shell.xmission.com (Kenny McCormack) - 2023-08-14 11:28 +0000
          Re: Piping to stdin scott@slp53.sl.home (Scott Lurndal) - 2023-08-14 15:41 +0000
            Re: Piping to stdin Richard Harnden <richard.nospam@gmail.com> - 2023-08-14 22:02 +0100
              Re: Piping to stdin scott@slp53.sl.home (Scott Lurndal) - 2023-08-14 21:14 +0000

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