Why not just make "separator" a 3rd parameter with a default of "|" ? What
is the advantage or concern with storing the value in a field of the macro
tiddler itself?
I think if you want to find the name of the containing tiddler, you will
have to have the macro hunt for it before it actually runs the content of
the macro. One way to do this would be to give the macro field a highly
unique name. For instance mymacroname_separator. That should be easy to
search for. A more difficult search would be to look for the string
"\define mymacroname(" in every tiddler marked as a global macro. Either
way will likely mean some small hit to performance.
-- Mark
On Friday, March 22, 2019 at 7:18:14 AM UTC-7, S. S. wrote:
>
>
> Within a tiddler that contains a global macro, I want to be able to
> reference a *field* within the tiddler where the macro is defined.
>
> If I share the tiddler with the macro and that person renames the tiddler,
> the reference breaks. I want to stop this happening.
>
> So I thought of having something like a hypothetical *tv-macro-origin*
> Variable, so that I can safely reference the tiddler & field the macro is
> in.
>
> Example - I have a tiddler with fields:
> title: *showSeparatedText Macro*
> tags: *$:/tags/Macro*
> separator: *|*
>
> \define showSeparatedText(in out)
> The original tiddler's separator is: {{showSeparatedText
> Macro!!separator}}
> <br>
> The hypothetical separator is: {{$(tv-macro-origin)$!!separator}}
> <br>
> This works: $in$ {{showSeparatedText Macro!!separator}} $out$
> <br>
> I want this to work: $in$ {{$(tv-macro-origin)$!!separator}} $out$
> \end
>
>
> In another tiddler I put this code:
>
> <$macrocall $name="showSeparatedText" in="A" out="B"/>
>
> The result:
>
> The original tiddler's separator is: |
> The hypothetical separator is:
> This works: A | B
> I want this to work: A B
>
> I was hoping the recent discussion under : Test for existence of macro
> <https://groups.google.com/forum/?hl=en#!topic/tiddlywiki/4rEuAWc4EpM> :
> could have helped, but it doesn't appear to.
>
> Any pointers on how this can be achieved would be appreciated.
>
> Thanks!
>
>
>
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