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getindex Operator

 9th March 2023 at 4:38pm
purposeselect all values of a data property in the input titles
inputa selection of titles
parameterP=the name of a property
outputthe values of property P in each of the input titles

Learn more about how to use Filters

Each input title is processed in turn, and is ignored if it does not denote a data tiddler. If the corresponding tiddler contains property P, and the value of this property is not empty, then its value is appended to the output.

Unlike most other Filter Operators, the selection output by getindex can contain duplicates. To avoid duplicates, use getindex[P]unique[].