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| − | {{Note|This article is not yet finished}}
| + | #REDIRECT [[Mailutils_(utility)]] |
| − | <tt>Mu</tt> is a multi-purpose tool shipped with Mailutils. It can be used for various mail- and database-related tasks, as well as an auxiliary tool for compiling and linking programs with Mailutils.
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| − | | |
| − | == Syntax ==
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| − | | |
| − | <tt>Mu</tt> is a command line tool. Its invocation syntax is:
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| − | | |
| − | <code>
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| − | mu [''options''] ''command'' [''args'']
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| − | </code>
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| − | | |
| − | where ''options'' are options that affect the behavior of <tt>mu</tt> as a whole, ''command'' instructs it what it is to do and ''args'' are any arguments the ''command'' needs in order to be executed.
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| − | | |
| − | The commands are:
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| − | | |
| − | ;2047
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| − | :Decodes or encodes email message headers.
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| − | ;acl
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| − | :Tests Mailutils access control lists;
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| − | ;cflags
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| − | :Shows compiler options needed to compile with Mailutils.
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| − | ;dbm
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| − | :Invokes a DBM management tool.
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| − | ;filter
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| − | :Applies a chain of filters to the input.
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| − | ;help
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| − | :Displays a terse help summary.
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| − | ;imap
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| − | :Invokes an IMAP4 client shell (in development).
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| − | ;info
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| − | :Displays information about Mailutils compile-time configuration.
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| − | ;ldflags
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| − | :Constructs a [http://www.manpagez.com/man/1/ld ld](1) command line for linking a program with Mailutils.
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| − | ;logger
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| − | :Logs information using Mailutils log facility.
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| − | ;pop
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| − | :Invokes a POP3 client shell.
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| − | ;query
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| − | :Queries configuration values.
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| − | ;wicket
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| − | Scans [[wicket]]s for matching URLs
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| − | | |
| − | == help ==
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| − | The <tt>mu help</tt> command lists all available options and command names along with short descriptions of what each of them does. It is similar to the <tt>mu --help</tt> option.
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| − | | |
| − | A command name can be supplied as an argument to <tt>help</tt>, in which case it will display a help page for that particular command, e.g.:
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| − | | |
| − | mu help ldflags
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| − | | |
| − | will output help for the [[#ldflags|ldflags]] command. It is synonymous to the <tt>--help</tt> option used with that particular command, e.g.: <tt>mu ldflags --help</tt>.
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| − | | |
| − | == info ==
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| − | The <tt>mu info</tt> command displays information about Mailutils compile-time configuration. In normal form its output lists a single configuration flag per line, e.g.:
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| − | | |
| − | $ mu info
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| − | VERSION=2.99.93
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| − | SYSCONFDIR=/etc
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| − | MAILSPOOLDIR=/var/mail/
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| − | SCHEME=mbox
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| − | LOG_FACILITY=mail
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| − | IPV6
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| − | USE_LIBPAM
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| − | HAVE_LIBLTDL
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| − | WITH_GDBM
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| − | WITH_GNUTLS
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| − | WITH_GSASL
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| − | ...
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| − | | |
| − | A configuration flag can consist either of a single word, indicating that a particular capability has been enabled at compile time, or of a keyword/value pair delimited by an equal sign, which indicates a particular value used by default for that feature. For example, <tt>IPV6</tt> means that Mailutils was compiled with support for IPv6, whereas <tt>SYSCONFDIR=/etc</tt> means that the default place for configuration files is in <tt>/etc</tt> directory.
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| − | | |
| − | Such short output is convenient for using <tt>mu info</tt> in scripts to decide whether it is possible to use a given feature. To assist human users, the <tt>--verbose</tt> (<tt>-v</tt>) option is provided. It prints a short description next to each flag:
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| − | | |
| − | $ mu info --verbose
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| − | VERSION=2.99.93 - Version of this package
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| − | SYSCONFDIR=/etc - System configuration directory
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| − | MAILSPOOLDIR=/var/mail/ - Default mail spool directory
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| − | SCHEME=mbox - Default mailbox type
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| − | LOG_FACILITY=mail - Default syslog facility
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| − | IPV6 - IPv6 support
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| − | USE_LIBPAM - PAM support
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| − | HAVE_LIBLTDL - a portable `dlopen' wrapper library
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| − | WITH_GDBM - GNU DBM
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| − | WITH_GNUTLS - TLS support using GNU TLS
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| − | WITH_GSASL - SASL support using GNU SASL
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| − | ...
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| − |
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| − | == cflags ==
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| − | The <tt>mu cflags</tt> command shows compiler options needed to compile a C source with Mailutils. It is intended for use in configuration scripts and Makefiles, e.g.:
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| − | | |
| − | CFLAGS=-g -O2 `mu cflags`
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| − | | |
| − | == ldflags ==
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| − | The <tt>mu ldflag</tt> command is a counterpart of <tt>cflags</tt> used for linking. It constructs a [http://www.manpagez.com/man/1/ld ld](1) command line for linking a program with Mailutils.
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| − | | |
| − | When used without arguments, it outputs <tt>ld</tt> arguments which would link only with the core Mailutils library [[libmailutils]]:
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| − | | |
| − | $ mu ldflags
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| − | -L/usr/local/lib -lmailutils
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| − | | |
| − | This command accepts a number of keywords which allow to select a particular subset of Mailutils libraries to link with. In particular, the argument <tt>all</tt> instructs it to link in all available libraries:
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| − | | |
| − | $ mu ldflags all
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| − | -L/usr/local/lib -lmu_mbox -lmu_mh -lmu_maildir -lmu_imap -lmu_pop \
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| − | -lmu_mailer -lmu_compat -lmailutils -lmu_auth -lgsasl -lgnutls -lgcrypt \
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| − | -lldap -lgnuradius -lpam -ldl
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| − | | |
| − | Other available keywords are:
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| − | | |
| − | ;mbox
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| − | :Link in the UNIX mbox format support.
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| − | ;mh
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| − | :Link in the MH format support.
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| − | ;maildir
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| − | :Link in the Maildir format support.
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| − | ;imap
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| − | :Link in the IMAP protocol support.
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| − | ;pop
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| − | :Link in the POP protocol support.
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| − | ;nntp
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| − | :Link in the NNTP protocol support.
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| − | ;mailer
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| − | :Enable support for [[mailer]]s.
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| − | ;sieve
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| − | :Link in the support for [[Sieve]] mail filtering language.
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| − | ;dbm
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| − | :Link in the support for DBM databases ([[libmu_dbm]] library).
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| − | ;compat
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| − | :Provide a compatibility layer for Mailutils 2.x.
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| − | ;auth
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| − | :Link in the Mailutils authentication library.
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| − | ;guile
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| − | :Provide [[Guile]] language bindings.
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| − | ;python
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| − | :Provide [[Python]] language bindings.
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| − | ;cfg
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| − | :Link in the [[libmu_cfg|Mailutils configuration library]].
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| − | ;argp
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| − | :Link in the library for command line parsing.
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| − | | |
| − | == query ==
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| − | Queries configuration values.
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| − | | |
| − | == 2047 ==
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| − | Decodes or encodes email message headers.
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| − | | |
| − | == filter ==
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| − | Applies a chain of filters to the input.
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| − | | |
| − | == acl ==
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| − | Tests Mailutils access control lists;
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| − | | |
| − | == wicket ==
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| − | Scans [[wicket]]s for matching URLs
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| − | | |
| − | == dbm ==
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| − | Invokes a DBM management tool.
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| − | | |
| − | == logger ==
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| − | Logs information using Mailutils log facility.
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| − | | |
| − | == pop ==
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| − | Invokes a POP3 client shell.
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| − | | |
| − | == imap ==
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| − | Invokes an IMAP4 client shell (in development).
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