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As a side effect, reformat the NEWs entry for notmuch dump for consistency with the notmuch restore NEWS submitted by Thomas Schwinge.
692 lines
20 KiB
Groff
692 lines
20 KiB
Groff
.\" notmuch - Not much of an email program, (just index, search and tagging)
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.\"
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.\" Copyright © 2009 Carl Worth
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.\"
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.\" Notmuch is free software: you can redistribute it and/or modify
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.\" it under the terms of the GNU General Public License as published by
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.\" the Free Software Foundation, either version 3 of the License, or
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.\" (at your option) any later version.
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.\"
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.\" Notmuch is distributed in the hope that it will be useful,
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.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.\" GNU General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public License
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.\" along with this program. If not, see http://www.gnu.org/licenses/ .
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.\"
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.\" Author: Carl Worth <cworth@cworth.org>
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.TH NOTMUCH 1 2009-10-31 "Notmuch 0.1"
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.SH NAME
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notmuch \- thread-based email index, search, and tagging
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.SH SYNOPSIS
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.B notmuch
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.IR command " [" args " ...]"
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.SH DESCRIPTION
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Notmuch is a command-line based program for indexing, searching,
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reading, and tagging large collections of email messages.
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The quickest way to get started with Notmuch is to simply invoke the
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.B notmuch
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command with no arguments, which will interactively guide you through
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the process of indexing your mail.
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.SH NOTE
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While the command-line program
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.B notmuch
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provides powerful functionality, it does not provide the most
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convenient interface for that functionality. More sophisticated
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interfaces are expected to be built on top of either the command-line
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interface, or more likely, on top of the notmuch library
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interface. See http://notmuchmail.org for more about alternate
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interfaces to notmuch.
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.SH COMMANDS
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The
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.BR setup
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command is used to configure Notmuch for first use, (or to reconfigure
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it later).
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.RS 4
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.TP 4
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.B setup
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Interactively sets up notmuch for first use.
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The setup command will prompt for your full name, your primary email
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address, any alternate email addresses you use, and the directory
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containing your email archives. Your answers will be written to a
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configuration file in ${NOTMUCH_CONFIG} (if set) or
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${HOME}/.notmuch-config . This configuration file will be created with
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descriptive comments, making it easy to edit by hand later to change the
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configuration. Or you can run
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.B "notmuch setup"
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again to change the configuration.
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The mail directory you specify can contain any number of
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sub-directories and should primarily contain only files with individual
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email messages (eg. maildir or mh archives are perfect). If there are
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other, non-email files (such as indexes maintained by other email
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programs) then notmuch will do its best to detect those and ignore
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them.
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Mail storage that uses mbox format, (where one mbox file contains many
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messages), will not work with notmuch. If that's how your mail is
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currently stored, it is recommended you first convert it to maildir
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format with a utility such as mb2md before running
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.B "notmuch setup" .
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Invoking
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.B notmuch
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with no command argument will run
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.B setup
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if the setup command has not previously been completed.
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.RE
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The
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.B new
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command is used to incorporate new mail into the notmuch database.
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.RS 4
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.TP 4
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.B new
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Find and import any new messages to the database.
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The
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.B new
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command scans all sub-directories of the database, performing
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full-text indexing on new messages that are found. Each new message
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will automatically be tagged with both the
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.BR inbox " and " unread
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tags.
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You should run
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.B "notmuch new"
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once after first running
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.B "notmuch setup"
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to create the initial database. The first run may take a long time if
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you have a significant amount of mail (several hundred thousand
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messages or more). Subsequently, you should run
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.B "notmuch new"
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whenever new mail is delivered and you wish to incorporate it into the
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database. These subsequent runs will be much quicker than the initial
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run.
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Invoking
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.B notmuch
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with no command argument will run
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.B new
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if
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.B "notmuch setup"
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has previously been completed, but
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.B "notmuch new"
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has not previously been run.
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.RE
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Several of the notmuch commands accept search terms with a common
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syntax. See the
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.B "SEARCH SYNTAX"
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section below for more details on the supported syntax.
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The
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.BR search ", " show " and " count
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commands are used to query the email database.
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.RS 4
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.TP 4
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.BR search " [options...] <search-term>..."
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Search for messages matching the given search terms, and display as
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results the threads containing the matched messages.
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The output consists of one line per thread, giving a thread ID, the
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date of the newest (or oldest, depending on the sort option) matched
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message in the thread, the number of matched messages and total
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messages in the thread, the names of all participants in the thread,
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and the subject of the newest (or oldest) message.
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Supported options for
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.B search
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include
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.RS 4
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.TP 4
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.BR \-\-format= ( json | text )
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Presents the results in either JSON or plain-text (default).
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.RE
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.RS 4
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.TP 4
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.B \-\-output=(summary|threads|messages|files|tags)
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.RS 4
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.TP 4
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.B summary
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Output a summary of each thread with any message matching the search
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terms. The summary includes the thread ID, date, the number of
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messages in the thread (both the number matched and the total number),
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the authors of the thread and the subject.
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.RE
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.RS 4
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.TP 4
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.B threads
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Output the thread IDs of all threads with any message matching the
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search terms, either one per line (\-\-format=text) or as a JSON array
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(\-\-format=json).
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.RE
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.RS 4
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.TP 4
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.B messages
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Output the message IDs of all messages matching the search terms,
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either one per line (\-\-format=text) or as a JSON array
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(\-\-format=json).
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.RE
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.RS 4
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.TP 4
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.B files
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Output the filenames of all messages matching the search terms, either
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one per line (\-\-format=text) or as a JSON array (\-\-format=json).
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.RE
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.RS 4
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.TP 4
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.B tags
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Output all tags that appear on any message matching the search terms,
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either one per line (\-\-format=text) or as a JSON array
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(\-\-format=json).
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.RE
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.RE
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.RS 4
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.TP 4
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.BR \-\-sort= ( newest\-first | oldest\-first )
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This option can be used to present results in either chronological order
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.RB ( oldest\-first )
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or reverse chronological order
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.RB ( newest\-first ).
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Note: The thread order will be distinct between these two options
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(beyond being simply reversed). When sorting by
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.B oldest\-first
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the threads will be sorted by the oldest message in each thread, but
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when sorting by
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.B newest\-first
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the threads will be sorted by the newest message in each thread.
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.RE
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.RS 4
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By default, results will be displayed in reverse chronological order,
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(that is, the newest results will be displayed first).
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See the
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.B "SEARCH SYNTAX"
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section below for details of the supported syntax for <search-terms>.
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.RE
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.TP
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.BR show " [options...] <search-term>..."
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Shows all messages matching the search terms.
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The messages will be grouped and sorted based on the threading (all
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replies to a particular message will appear immediately after that
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message in date order). The output is not indented by default, but
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depth tags are printed so that proper indentation can be performed by
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a post-processor (such as the emacs interface to notmuch).
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Supported options for
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.B show
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include
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.RS 4
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.TP 4
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.B \-\-entire\-thread
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By default only those messages that match the search terms will be
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displayed. With this option, all messages in the same thread as any
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matched message will be displayed.
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.RE
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.RS 4
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.TP 4
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.B \-\-format=(text|json|mbox|raw)
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.RS 4
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.TP 4
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.BR text " (default for messages)"
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The default plain-text format has all text-content MIME parts
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decoded. Various components in the output,
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.RB ( message ", " header ", " body ", " attachment ", and MIME " part ),
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will be delimited by easily-parsed markers. Each marker consists of a
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Control-L character (ASCII decimal 12), the name of the marker, and
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then either an opening or closing brace, ('{' or '}'), to either open
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or close the component. For a multipart MIME message, these parts will
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be nested.
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.RE
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.RS 4
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.TP 4
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.B json
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The output is formatted with Javascript Object Notation (JSON). This
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format is more robust than the text format for automated
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processing. The nested structure of multipart MIME messages is
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reflected in nested JSON output. JSON output always includes all
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messages in a matching thread; in effect
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.B \-\-format=json
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implies
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.B \-\-entire\-thread
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.RE
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.RS 4
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.TP 4
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.B mbox
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All matching messages are output in the traditional, Unix mbox format
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with each message being prefixed by a line beginning with "From " and
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a blank line separating each message. Lines in the message content
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beginning with "From " (preceded by zero or more '>' characters) have
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an additional '>' character added. This reversible escaping
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is termed "mboxrd" format and described in detail here:
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.nf
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.nh
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http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/mail-mbox-formats.html
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.hy
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.fi
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.
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.RE
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.RS 4
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.TP 4
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.BR raw " (default for a single part, see \-\-part)"
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For a message, the original, raw content of the email message is
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output. Consumers of this format should expect to implement MIME
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decoding and similar functions.
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For a single part (\-\-part) the raw part content is output after
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performing any necessary MIME decoding.
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The raw format must only be used with search terms matching single
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message.
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.RE
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.RE
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.RS 4
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.TP 4
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.B \-\-part=N
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Output the single decoded MIME part N of a single message. The search
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terms must match only a single message. Message parts are numbered in
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a depth-first walk of the message MIME structure, and are identified
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in the 'json' or 'text' output formats.
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.RE
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.RS 4
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.TP 4
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.B \-\-verify
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Compute and report the validity of any MIME cryptographic signatures
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found in the selected content (ie. "multipart/signed" parts). Status
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of the signature will be reported (currently only supported with
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--format=json), and the multipart/signed part will be replaced by the
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signed data.
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.RE
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.RS 4
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.TP 4
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.B \-\-decrypt
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Decrypt any MIME encrypted parts found in the selected content
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(ie. "multipart/encrypted" parts). Status of the decryption will be
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reported (currently only supported with --format=json) and the
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multipart/encrypted part will be replaced by the decrypted
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content.
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.RE
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A common use of
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.B notmuch show
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is to display a single thread of email messages. For this, use a
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search term of "thread:<thread-id>" as can be seen in the first
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column of output from the
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.B notmuch search
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command.
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See the
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.B "SEARCH SYNTAX"
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section below for details of the supported syntax for <search-terms>.
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.RE
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.RS 4
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.TP 4
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.BR count " <search-term>..."
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Count messages matching the search terms.
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The number of matching messages is output to stdout.
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With no search terms, a count of all messages in the database will be
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displayed.
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.RE
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.RE
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The
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.B reply
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command is useful for preparing a template for an email reply.
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.RS 4
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.TP 4
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.BR reply " [options...] <search-term>..."
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Constructs a reply template for a set of messages.
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To make replying to email easier,
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.B notmuch reply
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takes an existing set of messages and constructs a suitable mail
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template. The Reply-to header (if any, otherwise From:) is used for
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the To: address. Vales from the To: and Cc: headers are copied, but
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not including any of the current user's email addresses (as configured
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in primary_mail or other_email in the .notmuch\-config file) in the
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recipient list
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It also builds a suitable new subject, including Re: at the front (if
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not already present), and adding the message IDs of the messages being
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replied to to the References list and setting the In\-Reply\-To: field
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correctly.
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Finally, the original contents of the emails are quoted by prefixing
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each line with '> ' and included in the body.
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The resulting message template is output to stdout.
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Supported options for
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.B reply
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include
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.RS
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.TP 4
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.BR \-\-format= ( default | headers\-only )
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.RS
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.TP 4
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.BR default
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Includes subject and quoted message body.
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.TP
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.BR headers\-only
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Only produces In\-Reply\-To, References, To, Cc, and Bcc headers.
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.RE
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See the
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.B "SEARCH SYNTAX"
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section below for details of the supported syntax for <search-terms>.
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Note: It is most common to use
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.B "notmuch reply"
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with a search string matching a single message, (such as
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id:<message-id>), but it can be useful to reply to several messages at
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once. For example, when a series of patches are sent in a single
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thread, replying to the entire thread allows for the reply to comment
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on issue found in multiple patches.
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.RE
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.RE
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The
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.B tag
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command is the only command available for manipulating database
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contents.
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.RS 4
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.TP 4
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.BR tag " +<tag>|\-<tag> [...] [\-\-] <search-term>..."
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Add/remove tags for all messages matching the search terms.
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Tags prefixed by '+' are added while those prefixed by '\-' are
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removed. For each message, tag removal is performed before tag
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addition.
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The beginning of <search-terms> is recognized by the first
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argument that begins with neither '+' nor '\-'. Support for
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an initial search term beginning with '+' or '\-' is provided
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by allowing the user to specify a "\-\-" argument to separate
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the tags from the search terms.
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See the
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.B "SEARCH SYNTAX"
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section below for details of the supported syntax for <search-terms>.
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.RE
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The
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.BR dump " and " restore
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commands can be used to create a textual dump of email tags for backup
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purposes, and to restore from that dump.
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.RS 4
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.TP 4
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.BR dump " [<filename>] [--] [<search-terms>]"
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Creates a plain-text dump of the tags of each message.
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Output is to the given filename, if any, or to stdout. Note that
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using the filename argument is deprecated.
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These tags are the only data in the notmuch database that can't be
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recreated from the messages themselves. The output of notmuch dump is
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therefore the only critical thing to backup (and much more friendly to
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incremental backup than the native database files.)
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With no search terms, a dump of all messages in the database will be
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generated. A "--" argument instructs notmuch that the
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remaining arguments are search terms.
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See the
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.B "SEARCH SYNTAX"
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section below for details of the supported syntax for <search-terms>.
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.RE
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.TP
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.BR restore " [--accumulate] [<filename>]"
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Restores the tags from the given file (see
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.BR "notmuch dump" ")."
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The input is read from the given filename, if any, or from stdin.
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Note: The dump file format is specifically chosen to be
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compatible with the format of files produced by sup-dump.
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So if you've previously been using sup for mail, then the
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.B "notmuch restore"
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command provides you a way to import all of your tags (or labels as
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sup calls them).
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The --accumulate switch causes the union of the existing and new tags to be
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applied, instead of replacing each message's tags as they are read in from the
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dump file.
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.RE
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The
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.B part
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command can used to output a single part of a multipart MIME message.
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.RS 4
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.TP 4
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.BR part " \-\-part=<part-number> <search-term>..."
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Output a single MIME part of a message.
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A single decoded MIME part, with no encoding or framing, is output to
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stdout. The search terms must match only a single message, otherwise
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this command will fail.
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The part number should match the part "id" field output by the
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"\-\-format=json" option of "notmuch show". If the message specified by
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the search terms does not include a part with the specified "id" there
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will be no output.
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See the
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.B "SEARCH SYNTAX"
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section below for details of the supported syntax for <search-terms>.
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.RE
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The
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.B config
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command can be used to get or set settings int the notmuch
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configuration file.
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.RS 4
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.TP 4
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.BR "config get " <section> . <item>
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The value of the specified configuration item is printed to stdout. If
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the item has multiple values, each value is separated by a newline
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character.
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Available configuration items include at least
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database.path
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user.name
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user.primary_email
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user.other_email
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new.tags
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.RE
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.RS 4
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.TP 4
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.BR "config set " <section> . "<item> [values ...]"
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The specified configuration item is set to the given value. To
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specify a multiple-value item, provide each value as a separate
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command-line argument.
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If no values are provided, the specified configuration item will be
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removed from the configuration file.
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.RE
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.SH SEARCH SYNTAX
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Several notmuch commands accept a common syntax for search terms.
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The search terms can consist of free-form text (and quoted phrases)
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|
which will match all messages that contain all of the given
|
|
terms/phrases in the body, the subject, or any of the sender or
|
|
recipient headers.
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|
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|
As a special case, a search string consisting of exactly a single
|
|
asterisk ("*") will match all messages.
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|
|
|
In addition to free text, the following prefixes can be used to force
|
|
terms to match against specific portions of an email, (where
|
|
<brackets> indicate user-supplied values):
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|
|
|
from:<name-or-address>
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|
|
to:<name-or-address>
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|
|
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subject:<word-or-quoted-phrase>
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|
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attachment:<word>
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|
|
|
tag:<tag> (or is:<tag>)
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|
|
id:<message-id>
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|
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thread:<thread-id>
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|
|
|
folder:<directory-path>
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|
|
|
The
|
|
.B from:
|
|
prefix is used to match the name or address of the sender of an email
|
|
message.
|
|
|
|
The
|
|
.B to:
|
|
prefix is used to match the names or addresses of any recipient of an
|
|
email message, (whether To, Cc, or Bcc).
|
|
|
|
Any term prefixed with
|
|
.B subject:
|
|
will match only text from the subject of an email. Searching for a
|
|
phrase in the subject is supported by including quotation marks around
|
|
the phrase, immediately following
|
|
.BR subject: .
|
|
|
|
The
|
|
.B attachment:
|
|
prefix can be used to search for specific filenames (or extensions) of
|
|
attachments to email messages.
|
|
|
|
For
|
|
.BR tag: " and " is:
|
|
valid tag values include
|
|
.BR inbox " and " unread
|
|
by default for new messages added by
|
|
.B notmuch new
|
|
as well as any other tag values added manually with
|
|
.BR "notmuch tag" .
|
|
|
|
For
|
|
.BR id: ,
|
|
message ID values are the literal contents of the Message\-ID: header
|
|
of email messages, but without the '<', '>' delimiters.
|
|
|
|
The
|
|
.B thread:
|
|
prefix can be used with the thread ID values that are generated
|
|
internally by notmuch (and do not appear in email messages). These
|
|
thread ID values can be seen in the first column of output from
|
|
.B "notmuch search"
|
|
|
|
The
|
|
.B folder:
|
|
prefix can be used to search for email message files that are
|
|
contained within particular directories within the mail store. Only
|
|
the directory components below the top-level mail database path are
|
|
available to be searched.
|
|
|
|
In addition to individual terms, multiple terms can be
|
|
combined with Boolean operators (
|
|
.BR and ", " or ", " not
|
|
, etc.). Each term in the query will be implicitly connected by a
|
|
logical AND if no explicit operator is provided, (except that terms
|
|
with a common prefix will be implicitly combined with OR until we get
|
|
Xapian defect #402 fixed).
|
|
|
|
Parentheses can also be used to control the combination of the Boolean
|
|
operators, but will have to be protected from interpretation by the
|
|
shell, (such as by putting quotation marks around any parenthesized
|
|
expression).
|
|
|
|
Finally, results can be restricted to only messages within a
|
|
particular time range, (based on the Date: header) with a syntax of:
|
|
|
|
<initial-timestamp>..<final-timestamp>
|
|
|
|
Each timestamp is a number representing the number of seconds since
|
|
1970\-01\-01 00:00:00 UTC. This is not the most convenient means of
|
|
expressing date ranges, but until notmuch is fixed to accept a more
|
|
convenient form, one can use the date program to construct
|
|
timestamps. For example, with the bash shell the following syntax would
|
|
specify a date range to return messages from 2009\-10\-01 until the
|
|
current time:
|
|
|
|
$(date +%s \-d 2009\-10\-01)..$(date +%s)
|
|
.SH ENVIRONMENT
|
|
The following environment variables can be used to control the
|
|
behavior of notmuch.
|
|
.TP
|
|
.B NOTMUCH_CONFIG
|
|
Specifies the location of the notmuch configuration file. Notmuch will
|
|
use ${HOME}/.notmuch\-config if this variable is not set.
|
|
.SH SEE ALSO
|
|
The emacs-based interface to notmuch (available as
|
|
.B notmuch.el
|
|
in the Notmuch distribution).
|
|
|
|
The notmuch website:
|
|
.B http://notmuchmail.org
|
|
.SH CONTACT
|
|
Feel free to send questions, comments, or kudos to the notmuch mailing
|
|
list <notmuch@notmuchmail.org> . Subscription is not required before
|
|
posting, but is available from the notmuchmail.org website.
|
|
|
|
Real-time interaction with the Notmuch community is available via IRC
|
|
(server: irc.freenode.net, channel: #notmuch).
|