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previous Operator

3rd February 2015 at 7:05pm
purposefind which titles in a list field precede the input ones
inputa selection of titles
parameterT=a tiddler title
outputa selection containing each title that immediately precedes each of the input titles in the list field of T

Learn more about how to use Filters

Each input title is processed in turn, and its predecessor is located in the list field and appended to the output. If a title is not listed in the field, or is the first item there, then it contributes nothing to the output.

Examples