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40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
caption: split
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created: 20190613153944647
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modified: 20190613154541225
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op-input: a [[selection of titles|Title Selection]]
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op-output: the input titles split into separate items according to the specified separator <<.place S>>
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op-parameter: The substring at which to split each title
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op-parameter-name: S
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op-purpose: returns each item in the list split into separate strings according to the specified separator <<.place S>>; duplicates are <<.em not>> removed
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tags: [[Filter Operators]]
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title: split Operator
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type: text/vnd.tiddlywiki
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<<.from-version "5.1.20">>
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Note that in some circumstances the <<.op split>> operator will include blank items in the list of results. For example,
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```
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[[the band thethe are the best the]split[the]]
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```
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The following results are returned:
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```
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["", " band ", "", " are ", " best ", ""]
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```
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Where it might be expected that the results would be:
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```
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[" band ", " are ", " best "]
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```
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The blank items mark the boundaries between matches. If they are not required they can be removed with the ''blank'' category of the [[is Operator]]: `[[the band thethe are the best the]split[the]!is[blank]]`.
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The reason that the blank items can be useful is that they allow search and replace operations to be constructed from a combination of the [[split Operator]] or [[splitregexp Operator]] and the [[join Operator]]. For example:
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<<.operator-example 1 "[[the band thethe are the best the]split[the]join[every]]">>
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<<.operator-examples "split">>
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