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Re: How to read from a file to an arbitrary delimiter efficiently?

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On Sat, Feb 27, 2016 at 11:17 PM, Chris Angelico <rosuav@gmail.com> wrote:
>> Ideally, I'd rather not over-read at all. I'd like the user to be able to
>> swap from "read N bytes" to "read to the next delimiter" (and possibly
>> even "read the next line") without losing anything.
>
> If those are the *only* two operations, you should be able to maintain
> your own buffer.

And, I started out by thinking "to next delimiter" and "next line"
were the same thing with different delimiters, but then went and coded
the delimiter so that wouldn't work. Whatevs. If those are the only
*three* operations, the same class with one more method could do it.

ChrisA

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How to read from a file to an arbitrary delimiter efficiently? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-02-25 17:50 +1100
  Re: How to read from a file to an arbitrary delimiter efficiently? Wolfgang Maier <wolfgang.maier@biologie.uni-freiburg.de> - 2016-02-25 08:37 +0100
    Re: How to read from a file to an arbitrary delimiter efficiently? Steven D'Aprano <steve@pearwood.info> - 2016-02-27 21:40 +1100
      Re: How to read from a file to an arbitrary delimiter efficiently? Dan Sommers <dan@tombstonezero.net> - 2016-02-27 14:40 +0000
      Re: How to read from a file to an arbitrary delimiter efficiently? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-02-27 12:03 -0500
        Re: How to read from a file to an arbitrary delimiter efficiently? Marko Rauhamaa <marko@pacujo.net> - 2016-02-27 19:47 +0200
  Re: How to read from a file to an arbitrary delimiter efficiently? Chris Angelico <rosuav@gmail.com> - 2016-02-25 18:30 +1100
    Re: How to read from a file to an arbitrary delimiter efficiently? Steven D'Aprano <steve@pearwood.info> - 2016-02-27 20:49 +1100
      Re: How to read from a file to an arbitrary delimiter efficiently? Chris Angelico <rosuav@gmail.com> - 2016-02-27 23:17 +1100
      Re: How to read from a file to an arbitrary delimiter efficiently? Chris Angelico <rosuav@gmail.com> - 2016-02-27 23:18 +1100
      Re: How to read from a file to an arbitrary delimiter efficiently? Serhiy Storchaka <storchaka@gmail.com> - 2016-02-27 17:23 +0200
  Re: How to read from a file to an arbitrary delimiter efficiently? Paul Rubin <no.email@nospam.invalid> - 2016-02-24 23:48 -0800
    Re: How to read from a file to an arbitrary delimiter efficiently? wxjmfauth@gmail.com - 2016-02-25 06:37 -0800
    Re: How to read from a file to an arbitrary delimiter efficiently? wxjmfauth@gmail.com - 2016-02-25 06:38 -0800
  Re: How to read from a file to an arbitrary delimiter efficiently? BartC <bc@freeuk.com> - 2016-02-27 16:35 +0000
    Re: How to read from a file to an arbitrary delimiter efficiently? BartC <bc@freeuk.com> - 2016-02-27 20:03 +0000
      Re: How to read from a file to an arbitrary delimiter efficiently? BartC <bc@freeuk.com> - 2016-02-27 20:28 +0000
  Re: How to read from a file to an arbitrary delimiter efficiently? Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2016-02-28 20:28 +0000
  Re: How to read from a file to an arbitrary delimiter efficiently? Tim Delaney <timothy.c.delaney@gmail.com> - 2016-02-29 08:00 +1100

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