Mail::Box::Search::Grep(3pm) - phpMan

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Mail::Box::Search::Grep(3pm)   User Contributed Perl Documentation   Mail::Box::Search::Grep(3pm)

NAME
       Mail::Box::Search::Grep - select messages within a mail box like grep does

INHERITANCE
        Mail::Box::Search::Grep
          is a Mail::Box::Search
          is a Mail::Reporter

SYNOPSIS
        use Mail::Box::Manager;
        my $mgr    = Mail::Box::Manager->new;
        my $folder = $mgr->open('Inbox');

        my $filter = Mail::Box::Search::Grep->new
           ( label => 'selected'
           , in => 'BODY', match => qr/abc?d*e/
           );

        my @msgs   = $filter->search($folder);

        my $filter = Mail::Box::Search::Grep->new
          ( field => 'To'
          , match => $my_email
          );

        if($filter->search($message)) {...}

DESCRIPTION
       Try to find some text strings in the header and footer of messages.  Various ways to limit
       the search to certain header fields, the whole header, only the body, the whole message,
       but even binary multiparts, are provided for.

       The name grep is derived from the UNIX tool grep, which means: "Get Regular Expression and
       Print".  Although you can search using regular expressions (the Perl way of them), you do
       not have to print those as result.

       Extends "DESCRIPTION" in Mail::Box::Search.

METHODS
       Extends "METHODS" in Mail::Box::Search.

   Constructors
       Extends "Constructors" in Mail::Box::Search.

       Mail::Box::Search::Grep->new(%options)
           Create a UNIX-grep like search filter.

            -Option    --Defined in       --Default
             binaries    Mail::Box::Search  <false>
             decode      Mail::Box::Search  <true>
             delayed     Mail::Box::Search  <true>
             deleted     Mail::Box::Search  <false>
             deliver                        undef
             field                          undef
             in          Mail::Box::Search  <$field ? 'HEAD' : C<'BODY'>>
             label       Mail::Box::Search  undef
             limit       Mail::Box::Search  0
             log         Mail::Reporter     'WARNINGS'
             logical     Mail::Box::Search  'REPLACE'
             match                          <required>
             multiparts  Mail::Box::Search  <true>
             trace       Mail::Reporter     'WARNINGS'

           binaries => BOOLEAN
           decode => BOOLEAN
           delayed => BOOLEAN
           deleted => BOOLEAN
           deliver => undef|CODE|'DELETE'|LABEL|'PRINT'|REF-ARRAY
             Store the details about where the match was found.  The search may take much longer
             when this feature is enabled.

             When an ARRAY is specified it will contain a list of references to hashes.  Each
             hash contains the information of one match.  A match in a header line will result in
             a line with fields "message", "part", and "field", where the field is a
             Mail::Message::Field object.  When the match is in the body the hash will contain a
             "message", "part", "linenr", and "line".

             In case of a CODE reference, that routine is called for each match. The first
             argument is this search object and the second a reference to same hash as would be
             stored in the array.

             The "PRINT" will call printMatchedHead() or printMatchedBody() when any matching
             header resp body line was found.  The output is minimized by not reprinting the
             message info on multiple matches in the same message.

             "DELETE" will flag the message to be deleted in case of a match.  When a multipart's
             part is matched, the whole message will be flagged for deletion.

           field => undef|STRING|REGEX|CODE
             Not valid in combination with "in" set to "BODY".  The STRING is one full field name
             (case-insensitive).  Use a REGEX to select more than one header line to be scanned.
             CODE is a routine which is called for each field in the header.   The CODE is called
             with the header as first, and the field as second argument.  If the CODE returns
             true, the message is selected.

           in => 'HEAD'|'BODY'|'MESSAGE'
           label => STRING
           limit => NUMBER
           log => LEVEL
           logical => 'REPLACE'|'AND'|'OR'|'NOT'|'AND NOT'|'OR NOT'
           match => STRING|REGEX|CODE
             The pattern to be search for can be a REGular EXpression, or a STRING.  In both
             cases, the match succeeds if it is found anywhere within the selected fields.

             With a CODE reference, that function will be called each field or body-line.  When
             the result is true, the details are delivered.  The call formats are

              $code->($head, $field);          # for HEAD searches
              $code->($body, $linenr, $line);  # for BODY searches

             The $head resp $body are one message's head resp. body object.  The $field is a
             header line which matches.  The $line and $linenr tell the matching line in the
             body.

             Be warned that when you search in "MESSAGE" the code must accept both formats.

           multiparts => BOOLEAN
           trace => LEVEL

   Searching
       Extends "Searching" in Mail::Box::Search.

       $obj->inBody($part, $body)
           Inherited, see "Searching" in Mail::Box::Search

       $obj->inHead($part, $head)
           Inherited, see "Searching" in Mail::Box::Search

       $obj->search($folder|$thread|$message|ARRAY)
           Inherited, see "Searching" in Mail::Box::Search

       $obj->searchPart($part)
           Inherited, see "Searching" in Mail::Box::Search

   The Results
       Extends "The Results" in Mail::Box::Search.

       $obj->printMatch( [$fh], $match )
       $obj->printMatchedBody($fh, $match)
       $obj->printMatchedHead($fh, $match)

   Error handling
       Extends "Error handling" in Mail::Box::Search.

       $obj->AUTOLOAD()
           Inherited, see "Error handling" in Mail::Reporter

       $obj->addReport($object)
           Inherited, see "Error handling" in Mail::Reporter

       $obj->defaultTrace( [$level]|[$loglevel, $tracelevel]|[$level, $callback] )
       Mail::Box::Search::Grep->defaultTrace( [$level]|[$loglevel, $tracelevel]|[$level,
       $callback] )
           Inherited, see "Error handling" in Mail::Reporter

       $obj->errors()
           Inherited, see "Error handling" in Mail::Reporter

       $obj->log( [$level, [$strings]] )
       Mail::Box::Search::Grep->log( [$level, [$strings]] )
           Inherited, see "Error handling" in Mail::Reporter

       $obj->logPriority($level)
       Mail::Box::Search::Grep->logPriority($level)
           Inherited, see "Error handling" in Mail::Reporter

       $obj->logSettings()
           Inherited, see "Error handling" in Mail::Reporter

       $obj->notImplemented()
           Inherited, see "Error handling" in Mail::Reporter

       $obj->report( [$level] )
           Inherited, see "Error handling" in Mail::Reporter

       $obj->reportAll( [$level] )
           Inherited, see "Error handling" in Mail::Reporter

       $obj->trace( [$level] )
           Inherited, see "Error handling" in Mail::Reporter

       $obj->warnings()
           Inherited, see "Error handling" in Mail::Reporter

   Cleanup
       Extends "Cleanup" in Mail::Box::Search.

       $obj->DESTROY()
           Inherited, see "Cleanup" in Mail::Reporter

DIAGNOSTICS
       Error: Package $package does not implement $method.
           Fatal error: the specific package (or one of its superclasses) does not implement this
           method where it should. This message means that some other related classes do
           implement this method however the class at hand does not.  Probably you should
           investigate this and probably inform the author of the package.

SEE ALSO
       This module is part of Mail-Box distribution version 3.009, built on August 18, 2020.
       Website: http://perl.overmeer.net/CPAN/

LICENSE
       Copyrights 2001-2020 by [Mark Overmeer]. For other contributors see ChangeLog.

       This program is free software; you can redistribute it and/or modify it under the same
       terms as Perl itself.  See http://dev.perl.org/licenses/

perl v5.30.3                                2020-08-20               Mail::Box::Search::Grep(3pm)

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