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105 lines
1.9 KiB
Groff
105 lines
1.9 KiB
Groff
.Dd August 17, 2016
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.Dt MHDR 1
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.Os
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.Sh NAME
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.Nm mhdr
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.Nd print message headers
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.Sh SYNOPSIS
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.Nm
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.Op Fl h Ar hdrs Op Fl p Ar parameter
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.Op Fl d
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.Op Fl H
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.Op Fl M
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.Op Fl A | Fl D
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.Op Ar msgs\ ...
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.Sh DESCRIPTION
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.Nm
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prints the headers of the specified
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.Ar msgs .
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.Po
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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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.Pc
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.Pp
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If no
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.Ar msgs
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are specified,
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.Nm
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will default to the current message.
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.Pp
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If no
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.Ar hdrs
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are specified,
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.Nm
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will print all headers.
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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 hdrs
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Only print the values of headers in the colon-separated list
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.Ar hdrs .
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.It Fl p Ar parameter
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Extract a particular RFC 2045
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.Ar parameter
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from the specified
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.Ar hdrs .
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.It Fl d
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Decode the
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.Ar hdrs
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according to RFC 2047.
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.It Fl H
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Prefix output lines with the filename of the message,
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followed by a tab.
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.It Fl M
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Search for all occurrences of the
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.Ar hdrs
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.Pq default: only the first .
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.It Fl A
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Scan for RFC 5322 addresses in the
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.Ar hdrs
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and print them, one per line.
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.It Fl D
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Assume header contains RFC 5322 date and print as Unix timestamp.
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.El
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.Sh EXIT STATUS
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The
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.Nm
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utility exits 0 on success,
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1 if no header was printed,
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and >1 if an error occurs.
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.Sh SEE ALSO
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.Xr mmsg 7
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.Rs
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.%A N. Freed
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.%A N. Borenstein
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.%D November 1996
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.%R RFC 2045
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.%T Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
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.Re
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.Rs
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.%A N. Freed
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.%A N. Borenstein
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.%B MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text
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.%R RFC 2047
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.%D November 1996
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.Re
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.Rs
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.%A P. Resnick (ed.)
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.%B Internet Message Format
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.%R RFC 5322
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.%D October 2008
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.Re
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.Sh AUTHORS
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.An Leah Neukirchen Aq Mt leah@vuxu.org
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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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