Hi Jon, author of JsonMangler here. I setup the import to package the 
imported tiddlers into a plugin to have a simple way of 
overwriting.updating/deleting a whole import at once.

The way that tiddlywiki is setup, "shadow" tiddlers are full tiddlers in 
the system (beware of confusing this with "system" tiddlers that start with 
"$:/" because something can be both a shadow and a system tiddler).

Meaning that you can search for and/or filter-query any "shadow" tiddler 
just like any other tiddler, BUT you have to start your filter runs with 
`all[shadows+tiddlers]` instead of the default (asumed if missing) 
`all[tiddlers]`. The one special feature of shadow tiddlers is that you can 
edit them, creating a "regular" tiddler of that name to store the edits, 
and then if you delete the edited version the "backup/shadow" version is 
immediately referenced in its place.

For example, after importing the Video Games CSV in my example wiki, you 
can hit the Filter tab of $:/AdvancedSearch and enter 
`[all[shadows+tiddlers]search:*[Mario]]` to display links to all references 
to "Mario".

If you want to promote a shadow tiddler to a regular one, the easiest way 
to do that is a weird little hack I picked up, where you setup a button to 
delete a field that DOES NOT EXIST from each shadow tiddler, like so:
\define plugin-target() Data/vgsales
\define unpack-actions()
<$list variable="shadowtiddler" 
<$action-setfield $tiddler=<<shadowtiddler>> 
$field="does.not.exit.in.this.wiki452369084306093845760894253" />

<$button actions=<<unpack-actions>> >
Press here to unpack <<plugin-target>>

<$list variable="test" filter="[<plugin-target>indexes[/tiddlers]]">


This creates a regular tiddler that is identical to the shadow, for each 
one in the plugin-target. Change the definition of that line to your target 
plugin containing yuor imported tiddlers and it will "unpack" it for you 
(you will no longer need `all[shadows+tiddlers]` in filters to target the 
"unpacked" tiddlers). You will see the links to your tiddlers go from being 
Bold to normal font to show that they are now "overwritten shadow 
tiddlers", and exist as normal tiddlers in the wiki.

Joshua F.

On Saturday, June 13, 2020 at 12:40:10 AM UTC-7, Jon wrote:
> Hi,
> I'm importing a .csv file and I want each row to be a separate tiddler.
> What's the best way to do this?
> I have tried TW5-JsonMangler/ 
> <https://joshuafontany.github.io/TW5-JsonMangler/> where "each individual 
> row is rendered to a tiddler, then these tiddlers are packaged as 
> shadow-tiddlers into a plugin."
> but then there doesn't appear to be any instructions as to what to do with 
> the resulting plugin (sorry, I'm only an end user).
> Any guidance about using this method or an alternative much appreciated.
> Regards
> Jon 

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