TiddlyWiki5/editions/tw5.com/tiddlers/filters/examples/lookup Operator (Examples).tid

created: 20170907144257037
modified: 20211118025451349
tags: [[Operator Examples]]
title: lookup Operator (Examples)
type: text/vnd.tiddlywiki

<<.operator-example 1 "[all[shadows+tiddlers]tag[$:/tags/PageControls]lookup[$:/config/PageControlButtons/Visibility/]]" "Retrieve the visibility status of each page control button">>
<<.operator-example 2 "[all[shadows+tiddlers]tag[$:/tags/PageControls]lookup:show[$:/config/PageControlButtons/Visibility/]]" "Retrieve the visibility status of each page control button, this time with a default value">>
<<.operator-example 3 "[all[tiddlers]has[plugin-type]removeprefix[$:/plugins/tiddlywiki/]lookup:missing-description:field[$:/plugins/tiddlywiki/],[description]]" "Retrieve the description of all plugin-tiddlers that are in the `$:/plugins/tiddlywiki/` namespace.">>
<<.operator-example 4 "OriginalTiddlerPaths +[lookup:missing-index:index[$:/config/],[HelloThere]]" "Lookup the original tiddler path on disk for the [[Hello There]] tiddler.">>
<<.operator-example 5 "OriginalTiddlerPaths +[lookup:missing-index:index[$:/config/],[MissingTiddler]]" "Lookup the original tiddler path on disk for the [[MissingTiddler]] tiddler.">>
<<.operator-example 6 "HistoryList MissingHistoryList +[lookup:missing-0:index[$:/]]" "Retrieve index `0` from the `$:/HistoryList` and `$:/MissingHistoryList`.">>
<<.operator-example 7 "OriginalTiddlerPaths MissingTiddlerPaths +[lookup:missing-tiddler:index[$:/config/],[$:/key-test]]" "Retrieve index `$:/key-test` from `$:/config/OriginalTiddlerPaths` and `$:/config/MissingTiddlerPaths`.">>
Add new "lookup" filter 2017-09-07 14:48:00 +00:00			`created: 20170907144257037`
Adding tags for file paths (#6240) 2021-11-18 08:45:20 +00:00			`modified: 20211118025451349`
			`tags: [[Operator Examples]]`
Add new "lookup" filter 2017-09-07 14:48:00 +00:00			`title: lookup Operator (Examples)`
			`type: text/vnd.tiddlywiki`

			`<<.operator-example 1 "[all[shadows+tiddlers]tag[$:/tags/PageControls]lookup[$:/config/PageControlButtons/Visibility/]]" "Retrieve the visibility status of each page control button">>`
			`<<.operator-example 2 "[all[shadows+tiddlers]tag[$:/tags/PageControls]lookup:show[$:/config/PageControlButtons/Visibility/]]" "Retrieve the visibility status of each page control button, this time with a default value">>`
Extend lookup operator to work with fields and indexes (#5742) * extend lookup op flexibility with 2 parameters * bumped .from macro to .24 * aligned syntax * lookup fixes * bugfix * docs * messed up the tests somehow * docs fix * lookup bugfix * docs * docs * call self.displayError * Revert "call self.displayError" This reverts commit 5d599aa9795f9d816c55378ab6df0a1a691ceed0. * storylist * tests * tests pass 2022-02-21 09:48:29 +00:00			<<.operator-example 3 "[all[tiddlers]has[plugin-type]removeprefix[$:/plugins/tiddlywiki/]lookup:missing-description:field[$:/plugins/tiddlywiki/],[description]]" "Retrieve the description of all plugin-tiddlers that are in the `$:/plugins/tiddlywiki/` namespace.">>
			`<<.operator-example 4 "OriginalTiddlerPaths +[lookup:missing-index:index[$:/config/],[HelloThere]]" "Lookup the original tiddler path on disk for the [[Hello There]] tiddler.">>`
			`<<.operator-example 5 "OriginalTiddlerPaths +[lookup:missing-index:index[$:/config/],[MissingTiddler]]" "Lookup the original tiddler path on disk for the [[MissingTiddler]] tiddler.">>`
			<<.operator-example 6 "HistoryList MissingHistoryList +[lookup:missing-0:index[$:/]]" "Retrieve index `0` from the `$:/HistoryList` and `$:/MissingHistoryList`.">>
			<<.operator-example 7 "OriginalTiddlerPaths MissingTiddlerPaths +[lookup:missing-tiddler:index[$:/config/],[$:/key-test]]" "Retrieve index `$:/key-test` from `$:/config/OriginalTiddlerPaths` and `$:/config/MissingTiddlerPaths`.">>