Groups > comp.sys.acorn.programmer > #6610

Re: OS_Find &4F

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From	Paul Stewart <phorefaux@gmail.com>
Newsgroups	comp.sys.acorn.programmer
Subject	Re: OS_Find &4F
Date	Wed, 11 Mar 2026 10:25:45 GMT
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In message <mpro.tavube00gpoog1f85.news@stevefryatt.org.uk>
          Steve Fryatt <news@stevefryatt.org.uk> wrote:

> On 22 Feb, Paul Stewart wrote in message
>     <97283caf5c.Paul@phorefaux>:

>> Therefore my next question. I am using webget and outputting the log file
>> to scrap.  I am trying to update a window with percentage of file
>> downloaded, which as I now know works fine with Memphis, but not anything
>> else :(.  The file itself is open by webget as it is updating it.  I also
>> need to open it for reading so I can get the download percentage.
>> 
>> With OS_Find not working apart from on Memphis, is there another way to do
>> this?

> Would using PipeFS solve the problem? That has been in the OS since
> RISC OS 3, and is intended to allow for inter-task file transfer.

> I've used it in PrintPDF for communicating with TaskWindow-based tasks, but
> not in quite this way. I would assume (but haven't checked) that it would
> allow reading from a file that something else was writing to, because that
> feels like a significant part of its purpose.

Run into same issue with PipeFS, with added bonus if it blocking when pipe 
gets full.  Everyday is a learning day :)

-- 
Paul Stewart
Sent from A9home running RISC OS 4.42

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OS_Find &4F Paul Stewart <phorefaux@gmail.com> - 2026-02-21 23:08 +0000
  Re: OS_Find &4F Jean-Michel <jmc.bruck@orange.fr> - 2026-02-22 10:17 +0100
    Re: OS_Find &4F Martin <News04@avisoft.f9.co.uk> - 2026-02-22 10:14 +0000
      Re: OS_Find &4F Steve Fryatt <news@stevefryatt.org.uk> - 2026-02-22 16:33 +0000
      Re: OS_Find &4F Paul Stewart <phorefaux@gmail.com> - 2026-02-22 17:17 +0000
        Re: OS_Find &4F Harriet Bazley <harriet@bazleyfamily.co.uk> - 2026-02-22 21:17 +0000
          Re: OS_Find &4F Paul Stewart <phorefaux@gmail.com> - 2026-02-23 21:02 +0000
            Re: OS_Find &4F Steve Fryatt <news@stevefryatt.org.uk> - 2026-02-23 21:43 +0000
              Re: OS_Find &4F Paul Stewart <phorefaux@gmail.com> - 2026-03-11 10:26 +0000
        Re: OS_Find &4F Steve Fryatt <news@stevefryatt.org.uk> - 2026-02-22 22:54 +0000
          Re: OS_Find &4F Paul Stewart <phorefaux@gmail.com> - 2026-03-11 10:25 +0000

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