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.Dd July 22, 2016
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.Dt MSHOW 1
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.Os
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.Sh NAME
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.Nm mshow
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.Nd render mail and extract MIME parts
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.Sh SYNOPSIS
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.Nm
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.Op Fl h Ar headers
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.Op Fl qrHL
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.Op Ar msgs\ ...
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.Nm
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.Fl x Ar msg
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.Ar parts\ ...
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.Nm
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.Fl O Ar msg
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.Ar parts\ ...
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.Nm
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.Fl t
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.Ar msgs\ ...
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.Nm
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.Fl R
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.Ar msg
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.Sh DESCRIPTION
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By default,
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.Nm
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renders the passed messages to standard output.
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See
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.Xr mmsg 7
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for the message argument syntax.
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If used interactively and no messages are given,
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displays the current message.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl h Ar headers
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Display the headers in the colon-separated list
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.Ar headers
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instead of the default headers
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.Sq Li from:subject:to:cc:date: .
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.It Fl q
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Don't render the body, stop after header output.
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.It Fl r
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Don't render the body, print raw body.
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.It Fl H
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Don't decode the headers, print all raw headers.
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.It Fl L
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Don't filter the headers, print all decoded headers.
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.It Fl x Ar msg
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Switch to extraction mode: extract
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.Ar parts
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from the message
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.Ar msg
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into files.
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.Ar parts
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can be specified by number, file name or
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.Xr fnmatch 3
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pattern.
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.It Fl O Ar msg
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Like
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.Fl x
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but extract to standard output.
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.It Fl t
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Switch to list mode: list all MIME parts
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of each
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.Ar msg .
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.It Fl R Ar msg
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Render the text parts from
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.Ar msg ,
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suitable for use in a reply.
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.El
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.Sh FILTERS
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.Nm
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by default decodes all
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.Sq Li text/* ,
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.Sq Li message/rfc822 ,
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.Sq Li multipart/*
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parts,
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and re-encodes them into UTF-8 if necessary.
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.Pp
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Other filters can be specified in the file
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.Pa ~/.santoku/filter
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in the format
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.D1 Ar type/subtype Ns Li \&: Ar command
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or
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.D1 Ar type Ns Li \&: Ar command
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.Nm
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will then spawn a pipe to
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.Ar command ,
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write the MIME part
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and display the output.
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The environment variable
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.Ev PIPE_CHARSET
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will be set to the charset declared in the MIME part,
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if known.
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.Sh EXIT STATUS
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.Ex -std
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.Sh SEE ALSO
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.Xr mmsg 7
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.Sh AUTHORS
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.An Christian Neukirchen Aq Mt chneukirchen@gmail.com
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.Sh LICENSE
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.Nm
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is in the public domain.
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.Pp
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To the extent possible under law,
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the creator of this work
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has waived all copyright and related or
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neighboring rights to this work.
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.Pp
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.Lk http://creativecommons.org/publicdomain/zero/1.0/
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