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From: Keith Thompson <Keith.S.Thompson+u@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Using "pure" (?) Ada, how to determine whether a file is a "text" file, not a binary?
Date: Sat, 01 Jul 2023 14:39:02 -0700
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Kenneth Wolcott <kennethwolcott@gmail.com> 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.

-- 
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
Will write code for food.
void Void(void) { Void(); } /* The recursive call of the void */