line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
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package IO::Easy::Dir; |
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33
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use Class::Easy; |
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151
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983
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use IO::Easy; |
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46
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753
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use base qw(IO::Easy); |
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6
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937
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7
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33
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use File::Spec; |
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196
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my $FS = 'File::Spec'; |
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6
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34
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use Cwd (); |
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11897
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sub current { |
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2
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2
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1
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6
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my $pack = shift; |
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2
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14940
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return $pack->new (Cwd::cwd()); |
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} |
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sub home { |
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0
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0
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1
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0
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my $pack = shift; |
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0
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0
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0
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return $pack->new ( |
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$ENV{USERPROFILE} || $ENV{HOME} || (getpwuid($<)) [7] |
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); |
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} |
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25
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sub create { |
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6
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6
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1
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20
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my $self = shift; |
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6
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13
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my @path = @_; |
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29
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6
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91
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my $path = $self->{path}; |
30
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6
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50
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94
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if (scalar @path) { # create @path into received directory |
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0
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0
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$path = File::Spec->catdir ($path, @path); |
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} |
33
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34
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6
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164
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my @dirs = File::Spec->splitdir ($path); |
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36
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6
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42
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foreach my $depth (0 .. scalar @dirs - 1) { |
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16
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42
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my $dir = File::Spec->join(map {$dirs[$_]} 0..$depth); |
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38
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225
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38
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16
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100
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766
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mkdir $dir |
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unless -d $dir; |
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} |
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42
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} |
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44
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sub type { |
45
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6
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6
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1
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18
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return 'dir'; |
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} |
47
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48
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sub items { |
49
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8
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8
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1
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13
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my $self = shift; |
50
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8
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50
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57
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my $filter = shift || ''; |
51
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8
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50
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39
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my $is_regexp = shift || 0; |
52
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53
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8
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28
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my $path = $self->{path}; |
54
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55
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8
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50
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24
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unless ($is_regexp) { |
56
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8
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25
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$filter = join '', '\.', $filter, '$'; |
57
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} |
58
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59
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8
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50
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268
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opendir (DH, $path) || die "can't open $path: $!"; |
60
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8
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18
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my @files = (); |
61
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8
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199
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foreach my $file_name (readdir (DH)) { |
62
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24
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100
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112
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next if $file_name =~ /^\.+$/; |
63
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64
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8
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50
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33
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47
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next if $filter ne '\.$' and $file_name !~ /$filter/i; |
65
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66
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8
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29
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my $file = $self->append ($file_name); |
67
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68
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8
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50
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33
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next unless -e $file; |
69
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70
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8
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34
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push @files, $file->attach_interface; |
71
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} |
72
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8
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186
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closedir (DH); |
73
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74
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8
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33
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return @files; |
75
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} |
76
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77
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sub rm_tree { |
78
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7
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7
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1
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2177
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my $self = shift; |
79
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80
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7
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26
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my @files = $self->items; |
81
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7
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81
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foreach my $file (@files) { |
82
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5
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70
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my $path = $file->{path}; |
83
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5
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100
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463
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unlink $path |
84
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if -f $path; |
85
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5
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100
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171
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$file->rm_tree |
86
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if -d $path; |
87
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} |
88
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89
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7
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1437
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rmdir $self->{path}; |
90
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} |
91
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92
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sub scan_tree { |
93
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10
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10
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1
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14
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my $self = shift; |
94
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10
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14
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my $handler = shift; |
95
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96
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10
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15
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my $flag = ''; |
97
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98
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10
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100
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27
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if (@_) { |
99
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2
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6
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($handler, $flag) = (shift, $handler); |
100
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} |
101
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102
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10
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92
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my $path = $self->{path}; |
103
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104
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10
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50
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276
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opendir (DH, $path) || die "can't open $path: $!"; |
105
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106
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10
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11
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my @files; |
107
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108
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10
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390
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foreach my $file_name (readdir (DH)) { |
109
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35
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100
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100
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297
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next if $file_name eq $FS->curdir or $file_name eq $FS->updir; # omit . .. |
110
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111
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15
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54
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my $file = $self->append ($file_name)->attach_interface; |
112
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113
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15
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46
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my $return = 1; |
114
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15
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100
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100
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201
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$return = &$handler ($file) |
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100
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115
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if ($flag eq 'for_files_only' && -f $file) || $flag ne 'for_files_only'; |
116
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117
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15
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100
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100
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91
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push @files, $file |
118
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if $return || $flag eq 'ignoring_return'; |
119
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120
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} |
121
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10
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133
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closedir (DH); |
122
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123
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10
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28
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foreach my $file (@files) { |
124
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11
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100
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39
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if ($file->type eq 'dir') { |
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50
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125
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6
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20
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$file->scan_tree ($handler); |
126
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} elsif ($file->type eq 'file') { |
127
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128
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} |
129
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} |
130
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} |
131
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132
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sub copy_children { |
133
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0
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0
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1
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0
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my $self = shift; |
134
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0
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0
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my $target = shift; |
135
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0
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0
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my $handler = shift; |
136
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137
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$self->scan_tree (sub { |
138
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0
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0
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0
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my $file = shift; |
139
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140
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0
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0
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my $path = $file->rel_path ($self->{path}); |
141
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142
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0
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0
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0
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if (ref $handler eq 'CODE') { |
143
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0
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0
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0
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next unless &$handler ($file); |
144
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} |
145
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146
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0
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0
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0
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if ($file->type eq 'dir') { |
147
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0
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0
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$target->create ($path); |
148
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0
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0
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return 1; |
149
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} |
150
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151
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0
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0
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$target->append ($path)->as_file->store ( |
152
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$file->contents |
153
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); |
154
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0
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0
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}); |
155
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} |
156
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157
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sub copy_node { |
158
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0
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0
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1
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0
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my $self = shift; |
159
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0
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0
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my $target = shift; |
160
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161
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0
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0
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$target->create ($self->name); |
162
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163
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$self->scan_tree (sub { |
164
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0
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0
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0
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my $file = shift; |
165
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166
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0
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0
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my $path = $file->rel_path ($self->up); |
167
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168
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0
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0
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0
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if ($file->type eq 'dir') { |
169
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0
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0
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$target->create ($path); |
170
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0
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0
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return 1; |
171
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} |
172
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173
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0
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0
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$target->append ($path)->as_file->store ( |
174
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$file->contents |
175
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); |
176
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0
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0
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}); |
177
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} |
178
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179
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sub touch { |
180
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3
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3
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1
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2000147
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my $self = shift; |
181
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182
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3
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100
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76
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if(-e $self->{path}) |
183
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{ |
184
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2
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50
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9
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if(-d _) |
185
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{ |
186
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2
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5
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my $t = time; |
187
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188
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2
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50
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88
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die "can't utime $self->{path}: $!" |
189
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unless utime $t, $t, $self->{path}; |
190
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} |
191
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else |
192
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{ |
193
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0
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0
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warn "not a dir: $self->{path}\n"; |
194
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} |
195
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} |
196
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else |
197
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{ |
198
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1
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50
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79
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die "can't create $self->{path}: $!" |
199
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unless mkdir $self->{path}; |
200
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} |
201
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202
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3
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10
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return 1; |
203
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} |
204
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205
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206
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1; |
207
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208
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=head1 NAME |
209
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210
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IO::Easy::Dir - IO::Easy child class for operations with directories. |
211
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212
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=head1 SYNOPSIS |
213
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214
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|
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use IO::Easy; |
215
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216
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|
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my $dir = IO::Easy->new ('.')->as_dir; |
217
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218
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$dir->scan_tree (sub { |
219
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my $file = shift; |
220
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221
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return 0 if $file->type eq 'dir' and $file->name eq 'CVS'; |
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}); |
223
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224
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$dir->create (qw(t IO-Easy)); # creates ./t/IO-Easy |
225
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226
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my $source = $dir->append('data')->as_dir; |
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my $destination = $dir->append('backup')->as_dir; |
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$source->copy_children($destination, $handler); |
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230
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231
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=head1 METHODS |
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233
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=head2 scan_tree |
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235
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Scans directory tree. |
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There's a standard module File::Find exists. But it's monstrous and is used |
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because of historical reasons. For the same functionality IO::Easy has a |
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method scan_tree and this method can replace File::Find in the most cases. |
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my $io = IO::Easy->new ('.'); |
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my $dir = $io->as_dir; |
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$dir->scan_tree ($handler); |
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245
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$handler is a code ref which is called during scan for each found object |
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and retrieves the found object as a parameter. |
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248
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Symlinks processing during directory scanning must be handled by user of this |
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module himself at the moment. |
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251
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As an example with help of $handler you can recursively scan directory and get |
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the number of files with defined extension, in this case function will look like |
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the following: |
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255
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my $counter = 0; |
256
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my $handler = sub { |
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my $file = shift; |
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$counter++ if $file->extension eq 'pl'; |
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} |
260
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261
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$dir->scan_tree ($handler); |
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263
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print "The number of files/directories with 'pl' extension:", $counter; |
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265
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BEWARE: If $handler returns 0 for the directory, then scan_tree doesn't scan its contents, |
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this can be useful in e.g. ignoring CVS or any other unwanted directories. |
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268
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This method can be called with any of two optional flags: |
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'for_files_only' and 'ignoring_return' |
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271
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For example: |
272
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273
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my $counter = 0; |
274
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my $handler = sub { |
275
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my $file = shift; |
276
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$counter++ if $file->extension eq 'pl'; |
277
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} |
278
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279
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$dir->scan_tree (for_files_only => $handler); |
280
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281
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print "The number of files with 'pl' extension:", $counter; |
282
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283
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Flag 'for_files_only' tell method to call handler only with objects |
284
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with file (-f) check |
285
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286
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Flag 'ignoring_return' tell method to ignore return value from handler |
287
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and process any found directory |
288
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289
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=cut |
290
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291
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=head2 copy_children, copy_node |
292
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293
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|
recursive copying of directory contents |
294
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295
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my $io = IO::Easy->new ('.'); |
296
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my $source = $io->append('data')->as_dir; |
297
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|
my $destination = $io->append('backup')->as_dir; |
298
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|
$source->copy_children($destination, $handler); |
299
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300
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|
In this example $handler code ref, which is performed for every file during copying. |
301
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|
With help of the $handler you can easily control the spice which files will be copied. |
302
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303
|
|
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|
my $handler = sub { |
304
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|
my $file = shift; |
305
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|
|
return 1 if $file->extension eq 'txt'; |
306
|
|
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|
return 0; |
307
|
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|
}; |
308
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309
|
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|
In this case $handler function copies only files with 'txt' extension to the new |
310
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directory. |
311
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312
|
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|
=cut |
313
|
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314
|
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|
=head2 create |
315
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316
|
|
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|
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|
|
creates new directory |
317
|
|
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|
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|
|
318
|
|
|
|
|
|
|
my $io = IO::Easy->new ('.'); |
319
|
|
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|
|
|
|
my $dir = $io->append('data')->as_dir; # appends 'data' to $io and returns |
320
|
|
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|
|
|
|
#the new object; blesses into directory object. |
321
|
|
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|
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|
|
$dir->create; # creates directory './data/' |
322
|
|
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|
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|
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323
|
|
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|
|
or |
324
|
|
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|
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|
|
|
325
|
|
|
|
|
|
|
$io->as_dir->create ('data'); |
326
|
|
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|
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|
|
|
327
|
|
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|
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|
|
=cut |
328
|
|
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|
|
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|
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329
|
|
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|
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|
|
=head2 items |
330
|
|
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|
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|
|
331
|
|
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|
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|
|
directory contents in array. you can provide filter for file extension, plain or regexp |
332
|
|
|
|
|
|
|
|
333
|
|
|
|
|
|
|
$dir->items ('txt'); # plain |
334
|
|
|
|
|
|
|
$dir->items ('txt|doc', 1); # regexp |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
=cut |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
=head2 rm_tree |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
recursive deletion directory contents |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
=cut |
343
|
|
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|
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|
|
|
344
|
|
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|
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|
|
=head2 current |
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
current directory constructor, using Cwd |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
=cut |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
=head2 home |
351
|
|
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|
|
|
|
|
352
|
|
|
|
|
|
|
user home directory |
353
|
|
|
|
|
|
|
|
354
|
|
|
|
|
|
|
=cut |
355
|
|
|
|
|
|
|
|
356
|
|
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|
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|
|
=head2 type |
357
|
|
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|
|
|
|
|
358
|
|
|
|
|
|
|
always 'dir' |
359
|
|
|
|
|
|
|
|
360
|
|
|
|
|
|
|
=head2 touch |
361
|
|
|
|
|
|
|
|
362
|
|
|
|
|
|
|
similar to unix touch command - updates file timestamp |
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
=cut |
365
|
|
|
|
|
|
|
|
366
|
|
|
|
|
|
|
|
367
|
|
|
|
|
|
|
=head1 AUTHOR |
368
|
|
|
|
|
|
|
|
369
|
|
|
|
|
|
|
Ivan Baktsheev, C<< >> |
370
|
|
|
|
|
|
|
|
371
|
|
|
|
|
|
|
=head1 BUGS |
372
|
|
|
|
|
|
|
|
373
|
|
|
|
|
|
|
Please report any bugs or feature requests to my email address, |
374
|
|
|
|
|
|
|
or through the web interface at L. |
375
|
|
|
|
|
|
|
I will be notified, and then you'll automatically be notified |
376
|
|
|
|
|
|
|
of progress on your bug as I make changes. |
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
=head1 SUPPORT |
379
|
|
|
|
|
|
|
|
380
|
|
|
|
|
|
|
|
381
|
|
|
|
|
|
|
|
382
|
|
|
|
|
|
|
=head1 ACKNOWLEDGEMENTS |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
|
385
|
|
|
|
|
|
|
|
386
|
|
|
|
|
|
|
=head1 COPYRIGHT & LICENSE |
387
|
|
|
|
|
|
|
|
388
|
|
|
|
|
|
|
Copyright 2007-2009 Ivan Baktsheev |
389
|
|
|
|
|
|
|
|
390
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or modify it |
391
|
|
|
|
|
|
|
under the same terms as Perl itself. |
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
|
394
|
|
|
|
|
|
|
=cut |