From: Kenneth Wolcott <kennethwolcott@gmail.com>
Subject: Re: Using "pure" (?) Ada, how to determine whether a file is a "text" file, not a binary?
Date: Sat, 1 Jul 2023 14:50:32 -0700 (PDT) [thread overview]
Message-ID: <48b33023-a38e-4ccc-855e-fe6de7b12ea5n@googlegroups.com> (raw)
In-Reply-To: <87edlrxqfd.fsf@nosuchdomain.example.com>
On Saturday, July 1, 2023 at 2:39:06 PM UTC-7, Keith Thompson wrote:
> Kenneth Wolcott writes:
> > On Saturday, July 1, 2023 at 1:39:30 PM UTC-7, Jeffrey R.Carter wrote:
> >> On 2023-07-01 19:15, Kenneth Wolcott wrote:
> [...]
> >> For example, if a text file is one in which all the characters, except line
> >> terminators, are graphic characters, then it should be clear how to determine
> >> whether a file meets that definition of a text file.
> >
> > I think that is the definition that I'm going to pursue as the
> > simplest and effective definition.
> Think about how you want to handle tab characters (non-graphic but
> common in some text) and carriage return characters (non-graphic but
> part of a line terminator for Windows-style text files).
>
> Also think about the various ways of representing text: ASCII, Latin-1,
> UTF-8, UTF-16, etc.
Thanks, Keith!
It looks like just need to more carefully examine the existing Ada I/O packages and experiment with the possibilities...
Ken
next prev parent reply other threads:[~2023-07-01 21:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-01 17:15 Using "pure" (?) Ada, how to determine whether a file is a "text" file, not a binary? Kenneth Wolcott
2023-07-01 20:39 ` Jeffrey R.Carter
2023-07-01 20:54 ` Kenneth Wolcott
2023-07-01 21:39 ` Keith Thompson
2023-07-01 21:50 ` Kenneth Wolcott [this message]
2023-07-02 1:08 ` Chris Townley
2023-07-02 1:48 ` Kenneth Wolcott
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