From mboxrd@z Thu Jan  1 00:00:00 1970
From: Josh <jnfo-d@grauman.com>
Subject: Re: Macro that calls external program
Date: Mon, 11 Mar 2019 06:28:59 -0700 (PDT)
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Thanks Ken.

Yes, at first I was trying to accomplish my task with Macros, but after 
finding out that I could run the whole Org file through a pre-filter, I 
realized that this would be a much cleaner and easier way rather than 
having multiple types of macros or code blocks. So now I'm trying to 
figure out how to attach an external program to 
`org-export-before-parsing-hook' or `org-export-before-processing-hook' to 
pipe the entire Org file through...

Josh

On Mon, 11 Mar 2019, Ken Mankoff wrote:

> Hi Josh,
>
> On 2019-03-10 at 23:37 +0100, Josh <jnfo-d@grauman.com> wrote...
>> I am new to emacs and orgmode. I spent the last couple days reading
>> most of the docs before diving in,
>
> Welcome!
>
>> but I didn't see anywhere how I could have a macro that instead of
>> replacing the macro with lisp code, calls an external program instead.
>>
>> Something like:
>> #+MACRO: func   call /home/josh/mybinary $1
>>
>> {{{func(Text Argument)}}}
>>
>> and this would be setup to call an external program and the output of
>> the program would replace the macro on export.
>>
>> /home/josh/mybinary "Text Argument"
>
> I do wonder if you're asking an XY problem, especially after reading your follow-up question about running an entire Org file through a pre-filter.
>
> Why does it have to be a macro that you call? Why not #+NAME:'d Babel code block, which can (presumably) run any program you want.
>
>  -k.
>