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NAME

       mu_server - the mu backend for the mu4e e-mail client

SYNOPSIS

       mu server [options]

DESCRIPTION

       mu server starts a simple shell in which one can query and manipulate the mu database. The
       output uses s-expressions. mu server is not meant for use by humans, except for  debugging
       purposes. Instead, it is designed specifically for the mu4e e-mail client.

       In  this man-page, we document the commands mu server accepts, as well as their responses.
       In general, the commands sent to the server are s-expressions of the form:

          (<command-name> :param1 value1 :param2 value2)

       For example, to view a certain message, the command would be:

          (view :docid 12345)

       Parameters can be sent in any order; they  must  be  of  the  correct  type  though.   See
       lib/utils/mu-sexp-parser.hh   and   lib/utils/mu-sexp-parser.cc  in  source-tree  for  the
       details.

OUTPUT FORMAT

       mu server accepts a number of commands, and delivers its results in the form:

          \376<length>\377<s-expr>

       \376 (one byte 0xfe),  followed  by  the  length  of  the  s-expression  expressed  as  an
       hexadecimal  number,  followed  by another \377 (one byte 0xff), followed by the actual s-
       expression.

       By prefixing the expression with its length, it can be  processed  more  efficiently.  The
       \376  and  \377  were  chosen  since  they  never  occur  in  valid UTF-8 (in which the s-
       expressions are encoded).

AUTHOR

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

SEE ALSO

       mu(1)