notmuch-show - Online in the Cloud

PROGRAM:

NAME

notmuch-show - show messages matching the given search terms

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.

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