Filter question: how to convert current tiddler title into a title list format

[Sebastián Ortega]

Hello wise tiddlywiki users,

Let's say I want to convert the current tiddler title into list format. For example:

• For a tiddler named CamelCased, this is either CamelCased or [[CamelCased]] (I prefer the format but I can settle with the latter)
• For a tiddler named Name with spaces it must be [[Name with spaces]]

I'm stuck with trying to add squared brackets conditionally [all[current]regexp[\s]addprefix[[[]addsuffix[]]]else{!!title}] because that's not the right syntax for adding the brackets and also because this feels common enough that it should be some easier way to "escape" a string to a title list format.

Do you know how to get it?

[Sebastián Ortega]

I managed to fix the filter but I still feel there must be an easier way to do it.

<$vars prefix="[[" suffix="]]">
<$button>
<$action-sendmessage
    $message="tm-new-tiddler"
    source={{{ [all[current]regexp[\s]addprefix<prefix>addsuffix<suffix>else{!!title}] }}}
    author={{!!author}}/>
Add
</$button>
</$vars>

[Saq Imtiaz]

For now that is the best we have.

However from the next TW release we can use format:titlelist[]
https://tiddlywiki.com/prerelease/#format%20Operator

[PMario]

Hi,

See: https://tiddlywiki.com/#SetWidget   Especially the section: Filter List Variable Assignment

-mario

[Jeremy Ruston]

To expand on pmario’s answer:

<$vars prefix="[[" suffix="]]">

<$button>

<$set name="source" filter="[all[current]]">

<$action-sendmessage

    $message="tm-new-tiddler"

    source=<<source>>

    author={{!!author}}/>

Add

</$set>

</$button>

</$vars>

Best wishes

Jeremy

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[TW Tones]

mehequeda,

I am curious why you need to do this. Since titles are the key to all tiddler there handling as titles is innate to TiddlyWiki and the need to generate a title with the delimiters [[ and ]] is rare. An example would be using the listops functions and operators where this is handled automatically. Tiddlywiki finds or adds delimiters automatically in many cases for title handling, consider  else{!!title} used in a filter, the output will not split a tiddler title containing spaces into separate words.

Regrads

Tones

[Sebastián Ortega]

Thanks Saq, Tones and Jeremy, it was hidden in plain sight.

The reason I need this is a design decision of some zettlekasten-like features I'm implementing in my wiki. For example, tiddlers tagged with Source are the books, articles, or other sources of concepts I want to track and I've modified the view template to show some fields and references to related things in a footer:

Now, I'm introducing buttons to create related tiddlers that have the kind of relationship of the corresponding tab. Sometimes that means copying current title in the author field. But in some case I need to set current title in title list format because of the meaning of the field. For example, a concept might have two authors.

BTW, this is pretty much inspired by the amazing Soren's zettlekasten. Thanks Soren!

--
Sebastián

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[Joshua Fontany]

Hi mehequeda,

You will want to read up on the "ListOps": https://tiddlywiki.com/#ActionListopsWidget

Best,
Joshua Fontany