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18 lines
898 B
Plaintext
18 lines
898 B
Plaintext
created: 20140410103123179
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modified: 20150210161620000
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tags: [[Filter Operators]] [[Group Operators]] [[Date Operators]]
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title: eachday Operator
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type: text/vnd.tiddlywiki
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caption: eachday
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op-purpose: select one of each group of input titles by date
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op-input: a [[selection of titles|Title Selection]]
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op-parameter: the name of a [[date field|Date Fields]], defaulting to <<.field modified>>
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op-parameter-name: F
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op-output: a selection containing the first input title encountered for each distinct value (ignoring times of day) of field <<.place F>>
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Each input title is processed in turn. The value of field <<.place F>> in the corresponding tiddler is examined, and as long as this indicates a date that has not been encountered before, the title is appended to the output.
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If a tiddler doesn't contain field <<.place F>>, it contributes nothing to the output.
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<<.operator-examples "eachday">>
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