Re: open() and EOFError

References	(6 earlier) <lpgulm$ji0$2@reader1.panix.com> <lph1id$tfd$1@ger.gmane.org> <20140708102033.13efb3a4@bigbox.christie.dr> <CAPTjJmqncJdYk1d11yypPDOGMDF9E5r4WYBqKs+draUBfSTiPA@mail.gmail.com> <20140708104635.350592d0@bigbox.christie.dr>
Date	2014-07-09 01:49 +1000
Subject	Re: open() and EOFError
From	Chris Angelico <rosuav@gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.11637.1404834587.18130.python-list@python.org> (permalink)

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On Wed, Jul 9, 2014 at 1:46 AM, Tim Chase <python.list@tim.thechases.com> wrote:
> On 2014-07-09 01:24, Chris Angelico wrote:
>> On Wed, Jul 9, 2014 at 1:20 AM, Tim Chase
>> > Okay, EOF is the canonical way to tell a program reading stdin
>> > that you're done.  It just happens that EOF ^D on *nix-likes and
>> > ^Z on Win32. :-)
>> >
>> > -tkc
>>
>> I can't think of any Windows-native programs that ask for EOF. Only
>> those which came from POSIX platforms do it. That said, though,
>> Windows doesn't tend to encourage interactive command-line programs
>> at all, so you may as well just follow the Unix convention.
>
> There was a time in life where I used "copy con output.txt" on a
> disturbingly frequent basis.  Control+Z ended my file for me.
>

Yes, and I've done that with a few programs (sort comes to mind; also
Regina Rexx, because it lacked a true interactive interpreter), but
not interactive ones. Those programs are filters, so obviously EOF is
the way to signal, well, end of file.

(Have you ever used COPY CON to create a binary file?)

ChrisA

Thread

open() and EOFError Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-07 03:20 +0000
  Re: open() and EOFError Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-07-07 17:04 +1200
    Re: open() and EOFError Steven D'Aprano <steve@pearwood.info> - 2014-07-07 08:00 +0000
      Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-07 18:09 +1000
      Re: open() and EOFError Dave Angel <davea@davea.name> - 2014-07-07 08:14 -0400
      Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-07 22:19 +1000
        Re: open() and EOFError Roy Smith <roy@panix.com> - 2014-07-07 08:46 -0400
          Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-07 22:58 +1000
            Re: open() and EOFError Roy Smith <roy@panix.com> - 2014-07-07 20:26 -0400
          Re: open() and EOFError Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-07-08 09:50 +1200
        Re: open() and EOFError Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-07 15:45 +0000
          Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-08 01:53 +1000
          Re: open() and EOFError Marko Rauhamaa <marko@pacujo.net> - 2014-07-07 19:08 +0300
            Re: open() and EOFError Marko Rauhamaa <marko@pacujo.net> - 2014-07-07 19:12 +0300
      Re: open() and EOFError Roy Smith <roy@panix.com> - 2014-07-07 08:39 -0400
        Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-07 22:55 +1000
          Re: open() and EOFError Roy Smith <roy@panix.com> - 2014-07-07 20:28 -0400
        Re: open() and EOFError Terry Reedy <tjreedy@udel.edu> - 2014-07-07 14:49 -0400
          Re: open() and EOFError Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-07-08 10:04 +1200
            Re: open() and EOFError Grant Edwards <invalid@invalid.invalid> - 2014-07-08 14:19 +0000
              Re: open() and EOFError Terry Reedy <tjreedy@udel.edu> - 2014-07-08 11:08 -0400
              Re: open() and EOFError Tim Chase <python.list@tim.thechases.com> - 2014-07-08 10:20 -0500
              Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-09 01:24 +1000
              Re: open() and EOFError Tim Chase <python.list@tim.thechases.com> - 2014-07-08 10:46 -0500
                Re: open() and EOFError Roy Smith <roy@panix.com> - 2014-07-08 21:05 -0400
                Re: open() and EOFError Anssi Saari <as@sci.fi> - 2014-07-10 22:40 +0300
              Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-09 01:49 +1000
              Re: ^D vs ^Z as EOF and DOS dinosaurs talking (was: open() and EOFError) Tim Chase <python.list@tim.thechases.com> - 2014-07-08 10:57 -0500
                Re: ^D vs ^Z as EOF and DOS dinosaurs talking (was: open() and EOFError) Jan van den Broek <balglaas@xs4all.nl> - 2014-07-08 16:38 +0000
              Re: ^D vs ^Z as EOF and DOS dinosaurs talking (was: open() and EOFError) Chris Angelico <rosuav@gmail.com> - 2014-07-09 02:20 +1000
              Re: open() and EOFError Tim Chase <python.list@tim.thechases.com> - 2014-07-08 11:40 -0500
              Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-09 02:50 +1000
          Re: open() and EOFError Steven D'Aprano <steve@pearwood.info> - 2014-07-08 09:03 +0000
            Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-08 20:29 +1000
      Re: open() and EOFError Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-07-07 14:06 +0100
      Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-07 23:27 +1000
      Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-07 23:29 +1000
      Re: open() and EOFError Dan Stromberg <drsalists@gmail.com> - 2014-07-07 09:07 -0700
      Re: open() and EOFError Ian Kelly <ian.g.kelly@gmail.com> - 2014-07-07 11:25 -0600
        Re: open() and EOFError Marko Rauhamaa <marko@pacujo.net> - 2014-07-07 20:31 +0300
          Re: open() and EOFError Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-07 18:07 +0000
            Re: open() and EOFError Marko Rauhamaa <marko@pacujo.net> - 2014-07-07 21:42 +0300
            Re: open() and EOFError Roy Smith <roy@panix.com> - 2014-07-07 20:22 -0400
          Re: open() and EOFError Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-07-08 10:09 +1200
            Re: open() and EOFError Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-07-08 00:10 +0100
            Re: open() and EOFError "Neil D. Cerutti" <neilc@norwich.edu> - 2014-07-08 10:29 -0400
      Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-08 03:29 +1000
        Re: open() and EOFError Marko Rauhamaa <marko@pacujo.net> - 2014-07-07 20:40 +0300
          Re: open() and EOFError Chris Angelico <rosuav@gmail.com> - 2014-07-08 10:55 +1000
      Re: open() and EOFError Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-07-07 18:54 -0400

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