1Mail::Mbox::MessageParsUesre:r:GCroenpt(r3i)buted Perl DMoaciulm:e:nMtbaotxi:o:nMessageParser::Grep(3)
2
3
4

NAME

6       Mail::Mbox::MessageParser::Grep - A GNU grep-based mbox folder reader
7

SYNOPSIS

9         #!/usr/bin/perl
10
11         use Mail::Mbox::MessageParser;
12
13         my $filename = 'mail/saved-mail';
14         my $filehandle = new FileHandle($filename);
15
16         my $folder_reader =
17           new Mail::Mbox::MessageParser( {
18             'file_name' => $filename,
19             'file_handle' => $filehandle,
20             'enable_grep' => 1,
21           } );
22
23         die $folder_reader unless ref $folder_reader;
24
25         # Any newlines or such before the start of the first email
26         my $prologue = $folder_reader->prologue;
27         print $prologue;
28
29         # This is the main loop. It's executed once for each email
30         while(!$folder_reader->end_of_file());
31         {
32           my $email = $folder_reader->read_next_email();
33           print $email;
34         }
35

DESCRIPTION

37       This module implements a GNU grep-based mbox folder reader. It can only
38       be used when GNU grep is installed on the system. Users must not
39       instantiate this class directly--use Mail::Mbox::MessageParser instead.
40       The base MessageParser module will automatically manage the use of grep
41       and non-grep implementations.
42
43   METHODS AND FUNCTIONS
44       The following methods and functions are specific to the
45       Mail::Mbox::MessageParser::Grep package. For additional inherited ones,
46       see the Mail::Mbox::MessageParser documentation.
47
48       $ref = new( { 'file_name' => <mailbox file name>, 'file_handle' =>
49       <mailbox file handle> });
50               <file_name> - The full filename of the mailbox
51               <file_handle> - An opened file handle for the mailbox
52
53           The constructor for the class takes two parameters. The file_name
54           parameter is the filename of the mailbox. The file_handle argument
55           is the opened file handle to the mailbox.
56
57           Returns a reference to a Mail::Mbox::MessageParser object, or a
58           string describing the error.
59
60       end_of_file()
61       reset()
62       read_next_email()
63           These methods are overridden in this subclass of
64           Mail::Mbox::MessageParser.
65

BUGS

67       No known bugs.
68
69       Contact david@coppit.org for bug reports and suggestions.
70

AUTHOR

72       David Coppit <david@coppit.org>.
73

LICENSE

75       This code is distributed under the GNU General Public License (GPL)
76       Version 2.  See the file LICENSE in the distribution for details.
77

HISTORY

79       This code was originally part of the grepmail distribution. See
80       http://grepmail.sf.net/ for previous versions of grepmail which
81       included early versions of this code.
82

SEE ALSO

84       Mail::Mbox::MessageParser
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88perl v5.32.1                      2021-01-27Mail::Mbox::MessageParser::Grep(3)
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