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Re: [O] nested macro expansion?

From: Pip Cet
Subject: Re: [O] nested macro expansion?
Date: Wed, 19 Aug 2015 14:43:41 +0000

Hi Eric,
I know this doesn't answer your actual question about nested macro
expansion, but writing some elisp might help you get the TIMESTAMP
property, at least: both

#+MACRO: bubba (eval (org-entry-get nil "TIMESTAMP"))


#+MACRO: bubba (eval (org-macro-expand "{{{property(TIMESTAMP)}}}"

appear to produce the current timestamp, and both can be fed to
another function, but not `format-time-string': the result of
(org-entry-get...) is a string of the form "<2014-08-19>", which would
need to be passed to `org-parse-time-string' first.

On 8/19/15, Eric Abrahamsen <address@hidden> wrote:
> Eric Abrahamsen <address@hidden> writes:
>> What I'm trying to do is have a macro that takes the computed TIMESTAMP
>> property for an entry, and then runs it through a custom function that
>> breaks out the start/end times, and produces a nicely formatted string
>> from that.
>> I don't see how to write a macro that feeds the value of a computed
>> special property to a function.
>> Right now my testing version looks like this:
>> #+MACRO: bubba (eval (format-time-string "%Y" "$1"))
>> and I'm calling it like this:
>> {{{bubba({{{property(TIMESTAMP)}}})}}}
>> That doesn't expand the interior "{{{property(TIMESTAMP)}}}" clause.
>> What `format-time-string' ends up seeing is "{{{property(TIMESTAMP",
>> without the final braces etc.
>> Is there any way to get that value expanded first, and then passed to
>> `format-time-string' (or, eventually, my custom function)?
> After googling for a while, I also thought this might work:
> #+MACRO: bubba (eval (format-time-string "%Y" property{{{TIMESTAMP}}}))
> {{{bubba}}}
> But the nested definition isn't expanded, either with or without quotes.
> E

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