Re: Handling binary format of an old word processor

["'William Lupton' via pandoc-discuss" <pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>]

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I think you need to use a custom reader. Here's a link to the appropriate
bit of the appropriate page.
https://pandoc.org/custom-readers.html#bytestring-readers

On Thu, 13 Jul 2023, 14:11 Trevor Jenkins, <bslwannabe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

> I have a group of files created long ago with a word processor for the BBC
> Micro. The word processor(WordWide/WordWisePlus), which originated in the
> late 1980s, saved documents in a sort of binary format in that some 7-bit
> printable characters have the eighth bit set to indicate that the character
> was preceded on screen by a carriage return. Other old ASCII control codes
> such as SI and SO were used for italics (I think). There are also
> encapsulated Epson dot-matrix setup sequences at the start of the files.
> Had a few read throughs of the Pandoc/Lua filter documentation but simply
> cannot get my head around how these documents could be processed using a
> Lua filter for pandoc to convert what is essentially a stream of 8-bit
> bytes into a form that can be used to convert to a modern format.
>
> Would appreciate some pointers to how to handle this task using pandoc and
> Lua? Otherwise I will have write some one-off throw away C code that does
> not help me in using Lua for future tasks.
>
> Regards, Trevor.
>
> <>< Re: deemed!
>
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