|  line  | 
 stmt  | 
 bran  | 
 cond  | 
 sub  | 
 pod  | 
 time  | 
 code  | 
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1
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 =head1 NAME  | 
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2
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3
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 Text::Same::Cache  | 
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4
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5
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 =head1 DESCRIPTION  | 
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6
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7
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 A (planned) cache of ChunkedSource objects.  For now there is just one method:  | 
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8
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 get(), which returns a ChunkedSource object for a particular file.  | 
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9
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10
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 =head1 SYNOPSIS  | 
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11
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12
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 my $cache = new Text::Same::Cache();  | 
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13
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 my $chunked_source = $cache->get($file);  | 
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14
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15
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 =head1 METHODS  | 
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16
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17
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 See below.  Methods private to this module are prefixed by an  | 
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18
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 underscore.  | 
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19
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20
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 =cut  | 
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22
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 package Text::Same::Cache;  | 
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23
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24
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3
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3
  
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18
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 use warnings;  | 
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3
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5
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3
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314
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25
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3
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3
  
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17
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 use strict;  | 
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3
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6
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3
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104
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26
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3
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3
  
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16
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 use Carp;  | 
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3
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67
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3
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1813
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27
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28
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3
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3
  
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20
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 use vars qw($VERSION);  | 
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3
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5
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3
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191
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29
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 $VERSION = '0.07';  | 
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30
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31
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3
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3
  
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2138
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 use Text::Same::FileChunkedSource;  | 
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3
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8
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3
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999
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32
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    | 
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33
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 =head2 new  | 
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34
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    | 
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35
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  Title   : new  | 
| 
36
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  Usage   : $cache = new Text::Same::Cache();  | 
| 
37
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  Function: return a new, empty cache  | 
| 
38
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| 
39
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 =cut  | 
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40
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41
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 sub new  | 
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42
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 {  | 
| 
43
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37
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37
  
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1
  
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53
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   my $self  = shift;  | 
| 
44
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37
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 33
  
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173
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   my $class = ref($self) || $self;  | 
| 
45
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37
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158
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   return bless {}, $class;  | 
| 
46
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 }  | 
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47
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    | 
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48
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 =head2 get  | 
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49
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    | 
| 
50
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  Title   : get  | 
| 
51
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  Usage   : my $chunked_source = $cache->get($file);  | 
| 
52
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  Function: return a ChunkedSource object for the given file, possibly getting  | 
| 
53
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            the ChunkedSource details from a cache  | 
| 
54
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    | 
| 
55
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 =cut  | 
| 
56
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    | 
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57
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 sub get  | 
| 
58
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 {  | 
| 
59
 | 
72
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72
  
 | 
  
1
  
 | 
97
 | 
   my $self = shift;  | 
| 
60
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    | 
| 
61
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72
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 | 
89
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   my $filename = shift;  | 
| 
62
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72
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 | 
123
 | 
   my @lines = ();  | 
| 
63
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    | 
| 
64
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72
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 | 
252
 | 
   local $/ = "\n";  | 
| 
65
 | 
72
 | 
  
 50
  
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186
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   if ($filename =~ /(rcs|svn|co).*\|/) {  | 
| 
66
 | 
0
 | 
  
  0
  
 | 
 
 | 
 
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 | 
0
 | 
     open F, "$filename" or die "$!: $filename\n";  | 
| 
67
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    | 
| 
68
 | 
0
 | 
 
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0
 | 
     @lines = map {chomp; $_} ();  | 
| 
 
 | 
0
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 | 
0
 | 
    | 
| 
 
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0
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0
 | 
    | 
| 
69
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   } else {  | 
| 
70
 | 
72
 | 
  
 50
  
 | 
 
 | 
 
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 | 
3766
 | 
     open F, "<$filename" or die "$!: $filename\n";  | 
| 
71
 | 
72
 | 
 
 | 
 
 | 
 
 | 
 
 | 
1713
 | 
     @lines = map {chomp; $_} ();  | 
| 
 
 | 
579
 | 
 
 | 
 
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 | 
691
 | 
    | 
| 
 
 | 
579
 | 
 
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 | 
1155
 | 
    | 
| 
72
 | 
 
 | 
 
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 | 
   }  | 
| 
73
 | 
72
 | 
 
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 | 
427
 | 
   return new Text::Same::FileChunkedSource(name=>$filename, chunks=>\@lines);  | 
| 
74
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 | 
 
 | 
 }  | 
| 
75
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
76
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 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 AUTHOR  | 
| 
77
 | 
 
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 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
78
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 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 Kim Rutherford   | 
| 
79
 | 
 
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 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
80
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 COPYRIGHT & LICENSE  | 
| 
81
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
82
 | 
 
 | 
 
 | 
 
 | 
 
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 | 
 
 | 
 Copyright 2005,2006 Kim Rutherford.  All rights reserved.  | 
| 
83
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 | 
 
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 | 
 
 | 
    | 
| 
84
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 This program is free software; you can redistribute it and/or modify it  | 
| 
85
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 under the same terms as Perl itself.  | 
| 
86
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
87
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 DISCLAIMER  | 
| 
88
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
89
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 This module is provided "as is" without warranty of any kind. It  | 
| 
90
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 may redistributed under the same conditions as Perl itself.  | 
| 
91
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
92
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =cut  | 
| 
93
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
94
 | 
 
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 1;  |