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=head1 NAME |
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Mail::Addressbook::Convert::Utilities |
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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 utility methods with for Mail::Addressbook::Convert |
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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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=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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51
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Original Version 2001-Sept-09 |
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53
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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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61
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62
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=head1 AUTHOR |
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64
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Mail::Addressbook::Convert was written by Joe Davidson in 2001. |
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66
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=cut |
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68
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package Mail::Addressbook::Convert::Utilities; |
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70
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1
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use Carp; |
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72
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use Exporter (); |
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73
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@ISA = qw(Exporter); |
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@EXPORT = qw( cleanalias commas_outside_quotes getInput isValidInternetAddress ); |
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use strict; |
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use vars qw(%usedAlias ); |
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626
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81
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82
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##########################################################################3 |
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84
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85
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sub cleanalias |
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{ |
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0
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139
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my($a2,$allowUnderscores)= @_; |
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$a2 =~ tr/A-Z0-9/a-z0-9/; #make sure alias is lowercase |
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if ($allowUnderscores) |
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{ |
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$a2 =~ tr/a-z0-9_//cd; # underscores, letters and numbers only |
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} |
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else |
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{ |
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$a2 =~ tr/a-z0-9//cd; # letters and numbers only |
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} |
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270
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return($a2); |
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} |
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##########################################################################3 |
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101
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sub commas_outside_quotes |
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{ |
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103
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0
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my($test_string) = $_[0]; |
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53
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my($inside_quote,$num_chars,$s); |
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$inside_quote = 0; #false; |
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$num_chars = length($test_string); |
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foreach $s (0..$num_chars) |
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{ |
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1166
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1340
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my($char) = substr($test_string,$s,1); |
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1166
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1846
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if ($char eq "\"") |
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86
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111
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{$inside_quote =!$inside_quote;} |
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1166
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2483
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if ($char eq "\," && !$inside_quote) |
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{ |
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return 1; # we found a comma outside a quote |
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} |
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} |
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return 0; # no commas outside quotes. |
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} |
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120
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########################################################################## |
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122
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sub getInput { |
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124
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0
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my $parm = shift; |
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126
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if ((ref $parm) =~ /ARRAY/) |
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50
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127
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{ |
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5
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return $parm; |
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} |
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elsif ( (ref $parm) =~ /SCALAR/) |
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{ |
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local *FH; |
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my $fileName = $$parm; |
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open (FH, "<$fileName") or confess "Utilities.pm getInput: could not open $fileName: $!\n"; |
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13
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391
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my @ary = ; |
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close FH; |
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return \@ary; |
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139
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} |
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141
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else |
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{ |
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0
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croak " Utilities.pm getInput: Input parameter must be a reference to an array or scalar\n"; |
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} |
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146
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} |
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148
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######################## begin sub isValidInternetAddress ###################### |
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150
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sub isValidInternetAddress |
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{ |
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153
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154
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0
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my $member = $_[0]; |
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169
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return $member =~m/\s*^[^@<>]+@[^@.<>]+(\.[^@.<>]+)+>?\s*$/; |
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157
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0
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if (0) |
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{ |
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unless ($member =~ /([\w\-\+\.\_]+)@([\w\-\+\.]+)/) |
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{ |
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161
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return 0; |
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162
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} |
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163
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my $hst = $2; |
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164
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my @domains = split(/\./,$hst ); |
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165
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if ($#domains < 1) |
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166
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{ |
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167
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return 0; |
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168
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} |
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169
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my $topLevelDomain = $domains[$#domains]; |
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170
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my $lengthTopLevelDomain = length($topLevelDomain ); |
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171
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if ($lengthTopLevelDomain > 3 or $lengthTopLevelDomain <2) |
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172
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{ |
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173
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return 0; |
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174
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} |
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175
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return 1; |
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176
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0
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} end of (0) |
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177
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} |
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178
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######################## end sub isValidInternetAddress ###################### |
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180
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181
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1; |