| purpose | filter the input by field |
|---|---|
| input | a selection of titles |
| suffix | F = the name of a field |
| parameter | S = a possible value of field F |
| output | those input tiddlers in which field F has the value S |
! output | those 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
Fexists 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.