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MU(1)			    General Commands Manual			 MU(1)

NAME
       mu - a set of tools to deal with	Maildirs and message files, in partic-
       ular to index and search	e-mail messages.

SYNOPSIS
       In alphabetical order:

       mu [options] general mu command.

       mu add add specific messages to the database. See mu-add(1)

       mu cfind	[options] [<regexp>] find contacts. See	mu-cfind(1)

       mu extract [options] <file> [<parts>]  [<regexp>]  extract  attachments
       and other MIME-parts. See mu-extract(1)

       mu find [options] <search expression> find messages. See	mu-find(1)

       mu help [command] get help for some command. See	mu-help(1)

       mu index	[options] (re)index the	messages in a Maildir. See mu-index(1)

       mu info [options] show information about	the mu database	mu-info(1)

       mu init [options] initialize the	mu database mu-init(1)

       mu mkdir	[options] <dir>	[<dirs>] create	a new Maildir. See mu-mkdir(1)

       mu remove [options] remove specific messages from the database. See mu-
       remove(1)

       mu script [options] run a mu (Guile) script. See	mu-script(1)

       mu server [options] start a server process (for mu4e-internal use). See
       mu-server(1)

       mu view <file> [<files>]	view a specific	message. See mu-view(1)

DESCRIPTION
       mu  is a	set of tools for dealing with Maildirs and the e-mail messages
       in them.

       mu's main purpose is to enable searching	of e-mail messages. It does so
       by  periodically	scanning a Maildir directory tree and analyzing	the e-
       mail messages found (this is called 'indexing').	The  results  of  this
       analysis	are stored in a	database, which	can then be queried.

       In addition to indexing and searching, mu also offers functionality for
       viewing messages, extracting attachments	 and  creating	maildirs,  and
       searching and exporting contact information.

       mu  can be used from the	command	line or	can be integrated with various
       e-mail clients.

       This manpage gives a general overview of	the available commands (index,
       find, etc.); each mu command has	its own	man-page as well.

COLORS
       Some mu sub-commands support colorized output, and do so	by default. If
       you don't want colors, you can use --nocolor.

       Currently, mu find, mu view, mu cfind and mu extract support colors.

ENCODING
       mu's output is in the current locale, with the exceptions of the	output
       specifically  meant for output to UTF8-encoded files. In	practice, this
       means that the output of	commands index,	view, extract  is  always  en-
       coded according to the current locale.

       The  same  is  true for find and	cfind, with some exceptions, where the
       output is always	UTF-8, regardless of the locale.

       For cfind the exception is --format=bbdb. This is hard-coded to	UTF-8,
       and  as	such specified in the output-file, so emacs/bbdb can handle it
       correctly without guessing.

       For find	the output is encoded according	the locale for	--format=plain
       (the default), and UTF-8	for all	other formats (json, sexp, xml).

DATABASE AND FILE
       Commands	 mu index and find and cfind work with the database, while the
       other ones work on individual mail files. Hence,	 running  view,	 mkdir
       and extract does	not require the	mu database.

       The various commands are	discussed in more detail in their own separate
       man-pages; here the general options are discussed.

OPTIONS
       mu offers several general options that apply to all commands, including
       mu without any command.

       --muhome
	      use  an  alternative  directory  to store	and read the database,
	      write the	logs, etc. By default,	mu  uses  XDG  Base  Directory
	      Specification  (e.g.  on	Linux  by default ~/.cache/mu, ~/.con-
	      fig/mu). Earlier versions	of mu defaulted	to  ~/.mu,  which  now
	      requires --muhome=~/.mu.

       -d, --debug
	      makes  mu	generate extra debug information, useful for debugging
	      the program itself. By default, debug information	 goes  to  the
	      log  file,  ~/.cache/mu/mu.log. It can safely be deleted when mu
	      is not running. When running with	--debug	option,	the  log  file
	      can grow rather quickly. See the note on logging below.

       -q, --quiet
	      causes  mu not to	output informational messages and progress in-
	      formation	to standard output, but	only to	the  log  file.	 Error
	      messages	will still be sent to standard error. Note that	mu in-
	      dex is much faster with --quiet, so it is	 recommended  you  use
	      this option when using mu	from scripts etc.

       --log-stderr
	      causes mu	to not output log messages to standard error, in addi-
	      tion to sending them to the log file.

       -V, --version
	      prints mu	version	and copyright information.

       -h, --help
	      lists the	various	command	line options.

ERROR CODES
       The various mu subcommands typically exit with 0	(zero)	upon  success,
       and non-zero when some error occurred.

BUGS
       Please report bugs if you find them: https://github.com/djcb/mu/issues

AUTHOR
       Dirk-Jan	C. Binnema <djcb@djcbsoftware.nl>

SEE ALSO
       mu-index(1),mu-find(1),mu-cfind(1),mu-mkdir(1),mu-view(1),	mu-ex-
       tract(1),mu-easy(1),mu-bookmarks(5),mu-query(7)		 https://stan-
       dards.freedesktop.org/basedir-spec/basedir-spec-latest.html

User Manuals			 February 2021				 MU(1)

NAME | SYNOPSIS | DESCRIPTION | COLORS | ENCODING | DATABASE AND FILE | OPTIONS | ERROR CODES | BUGS | AUTHOR | SEE ALSO

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