intended for programs that invoke **notmuch(1)** internally. If
omitted, the latest supported version will be used.
- ``--output=(sender|recipients|count)``
+ ``--output=(sender|recipients|count|address)``
Controls which information appears in the output. This option
can be given multiple times to combine different outputs.
Note: With this option, addresses are printed only after
the whole search is finished. This may take long time.
+ **address**
+ Output only the email addresses instead of the full
+ mailboxes with names and email addresses. This option has
+ no effect on the JSON or S-Expression output formats.
+
``--deduplicate=(no|mailbox|address)``
Control the deduplication of results.