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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: The joy of pipes
Date: Sun, 17 Nov 2024 05:30:09 -0000 (UTC)
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On Sat, 16 Nov 2024 23:59:41 -0500, 186282@ud0s4.net wrote:

> On 11/16/24 5:31 AM, Richard Kettlewell wrote:
>> 
>> “Temporary files the parent can access” is not a good model for a
>> couple of reasons:
>> 
>> * The semantics are different. Bytes read from a regular file are still
>>    there to be read again if you rewind the file; bytes read from a
>>    pipe are gone. Empty/full files behave differently to empty/full
>>    pipes.
>> 
>> * Temporary regular files can already be accessed by other processes by
>>    name, by file descriptor inheritance, or file descriptor passing.
> 
> Didn't say temp disk files were necessarily SUPERIOR, just that they
> CAN do most of the stuff pipes are used for and in an easier
> user/code-friendly fashion.

Not really, no.

> SIZE is almost unlimited too.

That is another reason they don’t work.