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24 lines
1.0 KiB
Plaintext
24 lines
1.0 KiB
Plaintext
created: 20140410103123179
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modified: 20150203184718000
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tags: [[Filter Operators]] [[Common Operators]] [[Field Operators]] [[Negatable Operators]]
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title: field Operator
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type: text/vnd.tiddlywiki
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caption: field
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op-purpose: filter the input by field
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op-input: a [[selection of titles|Title Selection]]
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op-suffix: the name of a [[field|TiddlerFields]]
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op-suffix-name: F
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op-parameter: a possible value of field <<.place F>>
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op-parameter-name: S
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op-output: those input tiddlers in which field <<.place F>> has the value <<.place S>>
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op-neg-output: those input tiddlers in which field <<.place F>> does <<.em not>> have the value <<.place S>>
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If <<.place S>> is empty, <<.op field>> will match both of the following:
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* tiddlers that don't contain field <<.place F>>
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* tiddlers in which field <<.place F>> exists but has an empty value
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The syntax of a [[filter step|Filter Step]] treats any unrecognised [[filter operator|Filter Operators]] as if it was the suffix to the <<.op field>> operator. See the <<.operator-examples "field" "examples">>.
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<<.operator-examples "field">>
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