Thanks all for the help and hints. Some of the examples I couldn't get to
work, but finally managed to do what I wanted.
This is, at the moment, just experimenting with workflows and what's
possible. The under-lying ideas are separation of data from display,
linking a tiddler to a data tiddl
Mohammad
Yes, thanks for expanding and giving examples. That's what I mean by;
With all the string operators now in filters using the triple braces to wrap a
filter is another way to concatenate if necessary.
yony
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post edited: For email readers
While Mat and Tony gave good solutions, I may recommend for learning
dataTiddlers, read
https://kookma.github.io/TW-Scripts/#datatiddler
By the way a simple solution may be
<$transclude tiddler={{{ [[data/]addsuffix{!!id}] }}} index="name" />
If you like macro
While Mat and Tony gave good solutions, I may recommend for learning
dataTiddlers, read
https://kookma.github.io/TW-Scripts/#datatiddler
By the way a simple solution may be
<$transclude tiddler={{{ [[data/]addsuffix{!!id}] }}} index="name" />
If you like macro and simple call to it then
\def
Nice code Mat
Another option is to use the transclude widget instead of the short forms,
which are after all compact ways of transcluding. The transclude widget allows
tiddler and field parameters and can be read without deciphering curly braces
$parms$ etc.. Ie no concatenation is necessary.
Come to think of it, here's a slimmer variant:
\define fetch(attr, id:{{!!id}}) {{data/$id$##$attr$}}
<>
This uses a fallback for the id parameter so unless you include an id value
in our call, it'll use !!id
<:-)
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Correction: That should be $name=fetch (note the $ sign)
<:-)
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To view thi
>
> \define fetch(attr) {{data/{{!!id}}##$attr$}}
>
First, note it is not possible to use nested "shortform syntax", i.e you
must not {{...{{ }} ...}}
Instead use explicit transclusion for the outer one.
However, in this case you're also attempting to concatenate the id, which
typically means
Well, I'm not getting it. I can't seem to create a macro without
explicitly passing the `id` field value.
I would like to just do something like this:
\define fetch(attr) {{products/{{!!id}}##$attr$}}
...
Size: <>
Is this explained more clearly somewhere? Thanks.
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Excellent, thanks for the example!
I realized I actually want something more general so that I can pass the
data key as well. So this works:
\define x(id, key) {{data/$id$##$key$}}
Going to study up on macros... thank again.
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Sure, you could make a macro like so.
\define x(id) {{data/$id$##name}}
(put it either in the display tiddler or in a separate tiddler which then
has to be tagged with $:/tags/Macro )
and then in the display tiddler, assuming you have an id field with value
28 (as you indicate in your example)
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