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============
notmuch-show
============
SYNOPSIS
========
**notmuch** **show** [*option* ...] <*search-term*> ...
DESCRIPTION
===========
Shows all messages matching the search terms.
See **notmuch-search-terms(7)** for details of the supported syntax for
<search-terms>.
The messages will be grouped and sorted based on the threading (all
replies to a particular message will appear immediately after that
message in date order). The output is not indented by default, but depth
tags are printed so that proper indentation can be performed by a
post-processor (such as the emacs interface to notmuch).
Supported options for **show** include
``--entire-thread=(true|false)``
If true, **notmuch show** outputs all messages in the thread of
any message matching the search terms; if false, it outputs only
the matching messages. For ``--format=json`` and
``--format=sexp`` this defaults to true. For other formats, this
defaults to false.
``--format=(text|json|sexp|mbox|raw)``
**text** (default for messages)
The default plain-text format has all text-content MIME
parts decoded. Various components in the output,
(**message**, **header**, **body**, **attachment**, and MIME
**part**), will be delimited by easily-parsed markers. Each
marker consists of a Control-L character (ASCII decimal 12),
the name of the marker, and then either an opening or
closing brace, ('{' or '}'), to either open or close the
component. For a multipart MIME message, these parts will be
nested.
**json**
The output is formatted with Javascript Object Notation
(JSON). This format is more robust than the text format for
automated processing. The nested structure of multipart MIME
messages is reflected in nested JSON output. By default JSON
output includes all messages in a matching thread; that is,
by default,
``--format=json`` sets ``--entire-thread``. The caller can
disable this behaviour by setting ``--entire-thread=false``.
The JSON output is always encoded as UTF-8 and any message
content included in the output will be charset-converted to
UTF-8.
**sexp**
The output is formatted as the Lisp s-expression (sexp)
equivalent of the JSON format above. Objects are formatted
as property lists whose keys are keywords (symbols preceded
by a colon). True is formatted as ``t`` and both false and
null are formatted as ``nil``. As for JSON, the s-expression
output is always encoded as UTF-8.
**mbox**
All matching messages are output in the traditional, Unix
mbox format with each message being prefixed by a line
beginning with "From " and a blank line separating each
message. Lines in the message content beginning with "From "
(preceded by zero or more '>' characters) have an additional
'>' character added. This reversible escaping is termed
"mboxrd" format and described in detail here:
http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/mail-mbox-formats.html
**raw** (default if --part is given)
Write the raw bytes of the given MIME part of a message to
standard out. For this format, it is an error to specify a
query that matches more than one message.
If the specified part is a leaf part, this outputs the
body of the part after performing content transfer
decoding (but no charset conversion). This is suitable for
saving attachments, for example.
For a multipart or message part, the output includes the
part headers as well as the body (including all child
parts). No decoding is performed because multipart and
message parts cannot have non-trivial content transfer
encoding. Consumers of this may need to implement MIME
decoding and similar functions.
``--format-version=N``
Use the specified structured output format version. This is
intended for programs that invoke **notmuch(1)** internally. If
omitted, the latest supported version will be used.
``--part=N``
Output the single decoded MIME part N of a single message. The
search terms must match only a single message. Message parts are
numbered in a depth-first walk of the message MIME structure,
and are identified in the 'json', 'sexp' or 'text' output
formats.
Note that even a message with no MIME structure or a single
body part still has two MIME parts: part 0 is the whole
message (headers and body) and part 1 is just the body.
``--verify``
Compute and report the validity of any MIME cryptographic
signatures found in the selected content (ie. "multipart/signed"
parts). Status of the signature will be reported (currently only
supported with --format=json and --format=sexp), and the
multipart/signed part will be replaced by the signed data.
``--decrypt``
Decrypt any MIME encrypted parts found in the selected content
(ie. "multipart/encrypted" parts). Status of the decryption will
be reported (currently only supported with --format=json and
--format=sexp) and on successful decryption the
multipart/encrypted part will be replaced by the decrypted
content.
Decryption expects a functioning **gpg-agent(1)** to provide any
needed credentials. Without one, the decryption will fail.
Implies --verify.
``--exclude=(true|false)``
Specify whether to omit threads only matching
search.tag\_exclude from the search results (the default) or
not. In either case the excluded message will be marked with the
exclude flag (except when output=mbox when there is nowhere to
put the flag).
If --entire-thread is specified then complete threads are
returned regardless (with the excluded flag being set when
appropriate) but threads that only match in an excluded message
are not returned when ``--exclude=true.``
The default is ``--exclude=true.``
``--body=(true|false)``
If true (the default) **notmuch show** includes the bodies of
the messages in the output; if false, bodies are omitted.
``--body=false`` is only implemented for the json and sexp
formats and it is incompatible with ``--part > 0.``
This is useful if the caller only needs the headers as body-less
output is much faster and substantially smaller.
``--include-html``
Include "text/html" parts as part of the output (currently only
supported with --format=json and --format=sexp). By default,
unless ``--part=N`` is used to select a specific part or
``--include-html`` is used to include all "text/html" parts, no
part with content type "text/html" is included in the output.
A common use of **notmuch show** is to display a single thread of email
messages. For this, use a search term of "thread:<thread-id>" as can be
seen in the first column of output from the **notmuch search** command.
EXIT STATUS
===========
This command supports the following special exit status codes
``20``
The requested format version is too old.
``21``
The requested format version is too new.
SEE ALSO
========
**notmuch(1)**, **notmuch-config(1)**, **notmuch-count(1)**,
**notmuch-dump(1)**, **notmuch-hooks(5)**, **notmuch-insert(1)**,
**notmuch-new(1)**, **notmuch-reply(1)**, **notmuch-restore(1)**,
**notmuch-search(1)**, **notmuch-search-terms(7)**, **notmuch-tag(1)**
|
