NOTMUCH-SHOW(1) notmuch NOTMUCH-SHOW(1) 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 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 --duplicate=N Output duplicate number N. The numbering starts from 1, and matches the order used by search --duplicate and search --output=files --entire-thread=(true|false) If true, notmuch show outputs all messages in the thread of any mes- sage matching the search terms; if false, it outputs only the match- ing 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 eas- ily-parsed markers. Each marker consists of a Control-L char- acter (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 al- ways encoded as UTF-8. mbox All matching messages are output in the traditional, Unix mbox format with each message being prefixed by a line begin- ning 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 '>' char- acter added. This reversible escaping is termed "mboxrd" for- mat and described in detail here: - http://homepage.ntlworld.com/jonathan.deboynepol- lard/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 attach- ments, 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 func- tions. --format-version=N Use the specified structured output format version. This is intended for programs that invoke notmuch 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. --sort=(newest-first|oldest-first) This option can be used to present results in either chronological order (oldest-first) or reverse chronological order (newest-first). Only threads as a whole are reordered. Ordering of messages within each thread will not be affected by this flag, since that order is always determined by the thread's replies. By default, results will be displayed in reverse chronological or- der, (that is, the newest results will be displayed first). --offset=[-]N Skip displaying the first N results. With the leading '-', start at the Nth result from the end. --limit=N Limit the number of displayed results to N. --verify Compute and report the validity of any MIME cryptographic signatures found in the selected content (e.g., "multipart/signed" parts). Sta- tus 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=(false|auto|true|stash) If true, decrypt any MIME encrypted parts found in the selected con- tent (e.g., "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. stash behaves like true, but upon successful decryption it will also stash the message's session key in the database, and index the cleartext of the message, enabling automatic decryption in the fu- ture. If auto, and a session key is already known for the message, then it will be decrypted, but notmuch will not try to access the user's keys. Use false to avoid even automatic decryption. Non-automatic decryption (stash or true, in the absence of a stashed session key) expects a functioning gpg-agent(1) to provide any needed credentials. Without one, the decryption will fail. Note: setting either true or stash here implies --verify. Here is a table that summarizes each of these policies: +---------------+-------+------+------+-------+ | | false | auto | true | stash | +---------------+-------+------+------+-------+ | Show cleart- | | X | X | X | | ext if ses- | | | | | | sion key is | | | | | | already known | | | | | +---------------+-------+------+------+-------+ | Use secret | | | X | X | | keys to show | | | | | | cleartext | | | | | +---------------+-------+------+------+-------+ | Stash any | | | | X | | newly recov- | | | | | | ered session | | | | | | keys, rein- | | | | | | dexing mes- | | | | | | sage if found | | | | | +---------------+-------+------+------+-------+ Note: --decrypt=stash requires write access to the database. Other- wise, notmuch show operates entirely in read-only mode. Default: auto --exclude=(true|false) Specify whether to omit threads only matching search.exclude_tags from the search results (the default) or not. In either case the ex- cluded 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 mes- sages in the output; if false, bodies are omitted. --body=false is only implemented for the text, json and sexp formats and it is in- compatible 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 sup- ported with --format=text, --format=json and --format=sexp). By de- fault, unless --part=N is used to select a specific part or --in- clude-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 mes- sages. 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. CONFIGURATION Structured output (json / sexp) is influenced by the configuration option show.extra_headers. See notmuch-config for details. 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, notmuch-config, notmuch-count, notmuch-dump, notmuch-hooks, notmuch-insert, notmuch-new, notmuch-reply, notmuch-restore, notmuch-search, notmuch-search-terms, notmuch-tag AUTHOR Carl Worth and many others COPYRIGHT 2009-2026, Carl Worth and many others 0.40 Aug 27, 2026 NOTMUCH-SHOW(1)
NAME | SYNOPSIS | DESCRIPTION | CONFIGURATION | EXIT STATUS | SEE ALSO | AUTHOR | COPYRIGHT
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