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field Operator

 3rd February 2015 at 6:47pm
purposefilter the input by field
inputa selection of titles
suffixF = the name of a field
parameterS = a possible value of field F
outputthose input tiddlers in which field F has the value S
! outputthose input tiddlers in which field F does not have the value S

Learn more about how to use Filters

If S is empty, field will match both of the following:

  • tiddlers that don't contain field F
  • tiddlers in which field F exists but has an empty value

The syntax of a filter step treats any unrecognised filter operator as if it was the suffix to the field operator. See the examples.

Examples