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=head1 NAME |
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Mail::Addressbook::Convert::PersistentUtilities |
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=head1 SYNOPSIS |
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This module is not designed to be used by the user. |
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It provides a method with values that persist between calls. |
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=head1 REQUIRES |
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Perl, version 5.001 or higher |
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Carp |
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=head1 DESCRIPTION |
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=head1 DEFINITIONS |
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=head1 METHODS |
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=head2 new |
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no arguments needed. |
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=head2 makeAliasUnique |
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Input |
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Parameter 1 : A email alias ( string ) |
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Parameter 2 boolean. if true underscores are allowed in aliases |
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if false, they are eliminated |
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Returns |
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An alias, which is unique among all the previous aliases called during the life of |
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the object. |
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=head1 LIMITATIONS |
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=head1 REFERENCES |
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=head1 HISTORY |
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This code is derived from the code used on www.interguru.com/mailconv.htm . The site |
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has been up since 1996 ( but ldif was only included on 1997, when Netscape 3 started |
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using it.) The site gets about 8000 unique visitors a month, many of whom make addressbook |
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conversions. The code has been well tested. |
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=head1 FUTURE DIRECTIONS |
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=head1 BUGS |
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=head1 CHANGES |
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Original Version 2001-Sept-09 |
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72
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=head1 COPYRIGHT |
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Copyright (c) 2001 Joe Davidson. All rights reserved. |
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This program is free software; you can redistribute it |
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and/or modify it under the terms of the Perl Artistic License |
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(see http://www.perl.com/perl/misc/Artistic.html). or the |
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GPL copyleft license ( http://www.gnu.org/copyleft/gpl.html) |
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80
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81
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=head1 AUTHOR |
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83
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Mail::Addressbook::Convert was written by Joe Davidson in 2001. |
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85
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=cut |
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package Mail::Addressbook::Convert::PersistentUtilities; |
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91
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# This class contain methods which need persistent values. |
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93
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1
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1
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use Carp; |
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1
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3
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1
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95
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94
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1
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1
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510
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use Mail::Addressbook::Convert::Utilities; |
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59
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96
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1
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use strict; |
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1
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1
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204
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98
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############################ |
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100
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sub new |
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{ |
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102
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10
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1
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my $self=shift; |
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103
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10
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my %usedAlias; |
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10
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return bless |
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{ ADDNUM=> 100, |
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106
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USEDALIAS =>\%usedAlias |
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}, $self; |
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108
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} |
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109
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110
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111
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##########################################################################3 |
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112
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sub makeAliasUnique |
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{ |
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115
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116
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1
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my ($self,$inputAlias,$allowUnderscores) = @_; |
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118
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my $alias = &cleanalias($inputAlias,$allowUnderscores); |
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100
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if (substr ($alias, -1,1) =~ /\d/) # does alias end in a number |
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{ |
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$alias = $alias."a"; |
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} |
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if ($self->{USEDALIAS}{$alias}) |
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{ |
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my $addNum = $self->{ADDNUM}; |
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$alias = $alias.$addNum; |
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$self->{ADDNUM}++; |
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} |
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$self->{USEDALIAS}{$alias} = 1; |
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return $alias; |
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} |
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##########################################################################3 |
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return 1; |