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.Dd September 10, 2018
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.Dt MAGREP 1
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.Os
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.Sh NAME
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.Nm magrep
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.Nd search messages matching a pattern
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.Sh SYNOPSIS
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.Nm
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.Op Fl c | Fl h | Fl o | Fl p | Fl q | Fl m Ar max
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.Op Fl v
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.Op Fl i
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.Op Fl l
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.Op Fl a | Fl d
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.Ar header Ns Cm \&: Ns Ar regex
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.Op Ar msgs\ ...
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.Sh DESCRIPTION
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.Nm
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prints the names of files from the specified
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.Ar msgs
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if the value of
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.Ar header
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matches the POSIX Extended Regular Expression
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.Ar regex .
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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
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.Ar header
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is empty,
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.Nm
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matches against the maildir flags of
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.Ar msgs .
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.Pp
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If
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.Ar header
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is
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.Sq Cm \&* ,
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.Nm
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searches for the pattern in any header.
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.Pp
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If
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.Ar header
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is
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.Sq Cm \&/ ,
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.Nm
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searches any plain text parts of the
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.Ar msgs
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body.
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.Pp
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If no
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.Ar msgs
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are specified and
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.Nm
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is used interactively,
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the current sequence will be searched.
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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 a
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Search for
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.Ar regex
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in RFC 2822 address
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.Ar header
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parts only.
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.It Fl c
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Only print a count of matching headers.
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If
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.Fl v
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is specified,
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count non-matching headers instead.
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.It Fl d
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Decode the
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.Ar header
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according to RFC 2047 prior to searching.
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.It Fl h
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Like
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.Fl p
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but do not print the file name.
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.It Fl i
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Match
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.Ar regex
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case insensitively.
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.It Fl l
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Only search a message until a match has been found.
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.It Fl m Ar max
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Do not show more than
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.Ar max
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matches.
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.It Fl o
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Print each match only,
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not the entire line.
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This option is ignored if
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.Fl c ,
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.Fl q
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or
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.Fl v
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is specified.
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.It Fl p
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Print the filename,
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the header and the matching line
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for each of the matched
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.Ar msgs .
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If
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.Fl o
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is specified each match is printed,
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instead of the matching line.
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This option is ignored if
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.Fl c ,
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.Fl q
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or
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.Fl v
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is specified.
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.It Fl q
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Quiet mode: do not print anything,
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quit as soon as possible.
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.It Fl v
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Invert the match; print (or count) all files where
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.Ar regex
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does not match.
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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, 1 if no match was found
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and >1 if an error occurs.
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.Sh SEE ALSO
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.Xr grep 1 ,
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.Xr mmsg 7 ,
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.Xr regex 7 /
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.Xr re_format 7
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.Sh AUTHORS
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.An Leah Neukirchen Aq Mt leah@vuxu.org
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.Sh TRIVIA
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.Nm
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is not called mgrep because many tools with this name already exist.
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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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