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19 lines
546 B
Plaintext
19 lines
546 B
Plaintext
created: 20140512103123179
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modified: 20150118183011000
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tags: [[Filter Operators]] [[List Operators]]
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caption: before
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title: before Operator
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type: text/vnd.tiddlywiki
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purpose: get the predecessor of an input item
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<$macrocall $name=".operator-def"
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input="a [[set|Tiddler Sets]] of strings"
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parameter="one of those strings"
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paramName="p"
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output="the string that immediately precedes <<.place p>> in the input set"
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/>
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If <<.place p>> is not present in the input set, or is the first item, then the output is empty.
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<<.operator-examples "before">>
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