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Re: open() and EOFError

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From Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject Re: open() and EOFError
Date Mon, 07 Jul 2014 18:54:13 -0400
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On 07 Jul 2014 08:00:14 GMT, Steven D'Aprano <steve@pearwood.info>
declaimed the following:

>How do people feel about code like this?
>
>try:
>    name = input("Enter file name, or Ctrl-D to exit")

	Personally -- I usually use "... <return> to exit" with the implication
that a null entry means exit...

	if name == "" then sys.exit()

	Of course, if I'm prompting in the first place, I'm not expecting to be
reading a (redirected?) file for data, or I'd expect the file to follow the
expected (by me)  blank line convention. Prompting for an EOF is so system
dependent... (It's been 35 years, but I think Xerox CP/V used <ctrl-f> for
EOF; it also allowed the <BEL> character in file names, making for
intriguing entry of filenames on the command line [the BASIC interpreter
DIR command would detect the non-visible character and display the entire
file name in hex... EBCDIC hex])


-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/

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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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