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package perl5i::2::DateTime; |
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3
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# A file to contain the Datetime work for perl5i to get it out of perl5i.pm |
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5
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103
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103
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3059
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use 5.010; |
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399
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103
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6550
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1626
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use strict; |
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103
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5639
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777
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use warnings; |
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415
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103
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13005
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# Determine if we need Time::y2038 and only load if necessary. |
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# XXX This is a bit of a hack and should go into a config file. |
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103
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21784
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use constant NEEDS_y2038 => ( |
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((((CORE::gmtime(2**47-1))[5] || 0) + 1900) != 4461763) || |
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((((CORE::gmtime(-62135510400))[5] || 0) + 1900) != 1) |
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103
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103
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745
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); |
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103
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355
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BEGIN { |
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103
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103
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135335
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if( NEEDS_y2038 ) { |
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require Time::y2038; |
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Time::y2038->import; |
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} |
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} |
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## no critic (Subroutines::ProhibitSubroutinePrototypes) |
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sub dt_gmtime (;$) { |
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13
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100
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13
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0
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10851
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my $time = @_ ? shift : time; |
26
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13
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100
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68
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return gmtime($time) if wantarray; |
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28
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10
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48
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my($sec, $min, $hour, $mday, $mon, $year) = gmtime($time); |
29
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10
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25
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$mon++; |
30
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10
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19
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$year += 1900; |
31
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32
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10
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1770
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require DateTime; |
33
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10
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145496
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return perl5i::2::DateTime::y2038->new( |
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year => $year, |
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month => $mon, |
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day => $mday, |
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hour => $hour, |
38
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minute => $min, |
39
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second => $sec, |
40
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formatter => "perl5i::2::DateTime::Format::CTime" |
41
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); |
42
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} |
43
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44
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45
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sub _get_datetime_timezone { |
46
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2
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2
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8
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state $local_tzfile = "/etc/localtime"; |
47
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48
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# Always be sure to honor the TZ environment var |
49
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2
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50
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12
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return "local" if $ENV{TZ}; |
50
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51
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# Work around a bug in DateTime::TimeZone on FreeBSD where it |
52
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# can't determine the time zone if /etc/localtime is not a link. |
53
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# Tzfile is also faster to do localtime calculations. |
54
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2
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50
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46
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if( -e $local_tzfile ) { |
55
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# Could go through more effort to figure it out. Meh. |
56
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2
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4
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my $tzname = "Local"; |
57
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2
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50
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37
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if( -l $local_tzfile ) { |
58
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0
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0
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0
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if( my $real_tzfile = eval { readlink $local_tzfile } ) { |
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0
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0
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59
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0
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0
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$tzname = $real_tzfile; |
60
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} |
61
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} |
62
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2
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2346
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require DateTime::TimeZone::Tzfile; |
63
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2
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3353506
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my $tz = DateTime::TimeZone::Tzfile->new( |
64
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name => $tzname, |
65
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filename => $local_tzfile |
66
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); |
67
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2
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50
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6031941
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return $tz if $tz; |
68
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} |
69
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70
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0
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0
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return "local"; |
71
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} |
72
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73
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## no critic (Subroutines::ProhibitSubroutinePrototypes) |
74
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sub dt_localtime (;$) { |
75
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9
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100
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9
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0
|
6805
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my $time = @_ ? shift : time; |
76
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9
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100
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104
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return localtime($time) if wantarray; |
77
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78
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4
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483
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my($sec, $min, $hour, $mday, $mon, $year) = localtime($time); |
79
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4
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11
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$mon++; |
80
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4
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11
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$year += 1900; |
81
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82
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4
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16
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state $tz = _get_datetime_timezone(); |
83
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84
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4
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3612
|
require DateTime; |
85
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4
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1432865
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return perl5i::2::DateTime::y2038->new( |
86
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year => $year, |
87
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month => $mon, |
88
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day => $mday, |
89
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hour => $hour, |
90
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minute => $min, |
91
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second => $sec, |
92
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time_zone => $tz, |
93
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formatter => "perl5i::2::DateTime::Format::CTime" |
94
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); |
95
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} |
96
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97
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98
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## no critic (Subroutines::ProhibitSubroutinePrototypes) |
99
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sub dt_time () { |
100
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24
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24
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0
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22328514
|
require DateTime::Format::Epoch; |
101
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24
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299379
|
state $formatter = DateTime::Format::Epoch->new( epoch => DateTime->from_epoch( epoch => 0 ) ); |
102
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103
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24
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2653
|
require DateTime; |
104
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24
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230
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return perl5i::2::DateTime::time->from_epoch( |
105
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epoch => time, |
106
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formatter => $formatter |
107
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); |
108
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} |
109
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110
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111
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{ |
112
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package perl5i::2::DateTime::y2038; |
113
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114
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# Don't load DateTime until we need it. |
115
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our @ISA = qw(DateTime); |
116
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117
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use overload |
118
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"eq" => sub { |
119
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5
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5
|
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4472
|
my($dt1, $dt2) = @_; |
120
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5
|
50
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15
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return "$dt1" eq "$dt2" if !eval { $dt2->isa("DateTime") }; |
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5
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69
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121
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0
|
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0
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return $dt1 eq $dt2; |
122
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103
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103
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952
|
}; |
|
103
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|
271
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103
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1986
|
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123
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124
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sub say { |
125
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2
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2
|
|
717
|
CORE::say("$_[0]"); |
126
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} |
127
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128
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sub print { |
129
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2
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2
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|
505
|
CORE::print("$_[0]"); |
130
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} |
131
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132
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sub from_epoch { |
133
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24
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24
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|
66
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my $class = shift; |
134
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135
|
24
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|
35
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if( perl5i::2::DateTime::NEEDS_y2038 ) { |
136
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103
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103
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25009
|
no warnings 'redefine'; |
|
103
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387
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103
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39479
|
|
137
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local *CORE::GLOBAL::gmtime = \&Time::y2038::gmtime; |
138
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local *CORE::GLOBAL::localtime = \&Time::y2038::localtime; |
139
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140
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return $class->SUPER::from_epoch(@_); |
141
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} |
142
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else { |
143
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24
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152
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return $class->SUPER::from_epoch(@_); |
144
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} |
145
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} |
146
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147
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148
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# Copy of DateTime's own epoch() function. |
149
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if( perl5i::2::DateTime::NEEDS_y2038 ) { |
150
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*epoch = sub { |
151
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my $self = shift; |
152
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153
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my $zone = $self->time_zone; |
154
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$self->set_time_zone("UTC"); |
155
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156
|
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require Time::y2038; |
157
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my $time = Time::y2038::timegm( |
158
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$self->sec, $self->min, $self->hour, $self->mday, |
159
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$self->mon - 1, |
160
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$self->year - 1900, |
161
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); |
162
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163
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$self->set_time_zone($zone); |
164
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165
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return $time; |
166
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} |
167
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} |
168
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} |
169
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170
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{ |
171
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172
|
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package perl5i::2::DateTime::time; |
173
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|
174
|
103
|
|
|
103
|
|
829
|
use parent -norequire, qw(perl5i::2::DateTime::y2038); |
|
103
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265
|
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103
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1313
|
|
175
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176
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use overload |
177
|
9
|
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9
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|
1301
|
"0+" => sub { $_[0]->epoch }, |
178
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"-" => sub { |
179
|
8
|
|
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8
|
|
2379
|
my( $a, $b, $reverse ) = @_; |
180
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181
|
8
|
100
|
|
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|
51
|
if($reverse) { |
182
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2
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5
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( $b, $a ) = ( $a, $b ); |
183
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} |
184
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185
|
8
|
100
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47
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my $time_a = eval { $a->isa("DateTime") } ? $a->epoch : $a; |
|
8
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130
|
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186
|
8
|
100
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84
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my $time_b = eval { $b->isa("DateTime") } ? $b->epoch : $b; |
|
8
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90
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187
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188
|
8
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84
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return $time_a - $time_b; |
189
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}, |
190
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191
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|
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"+" => sub { |
192
|
3
|
|
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3
|
|
488
|
my( $a, $b, $reverse ) = @_; |
193
|
|
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|
194
|
3
|
50
|
|
|
|
12
|
if($reverse) { |
195
|
0
|
|
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|
|
0
|
( $b, $a ) = ( $a, $b ); |
196
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} |
197
|
|
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|
198
|
3
|
50
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|
|
|
8
|
my $time_a = eval { $a->isa("DateTime") } ? $a->epoch : $a; |
|
3
|
|
|
|
|
40
|
|
199
|
3
|
100
|
|
|
|
26
|
my $time_b = eval { $b->isa("DateTime") } ? $b->epoch : $b; |
|
3
|
|
|
|
|
25
|
|
200
|
|
|
|
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|
|
|
201
|
3
|
|
|
|
|
22
|
return $time_a + $time_b; |
202
|
|
|
|
|
|
|
}, |
203
|
|
|
|
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|
|
204
|
|
|
|
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|
|
"==" => sub { |
205
|
1
|
|
|
1
|
|
6
|
my($a, $b) = @_; |
206
|
1
|
50
|
|
|
|
2
|
return $a+0 == $b+0 if !eval { $b->isa("DateTime") }; |
|
1
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|
|
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14
|
|
207
|
0
|
|
|
|
|
0
|
return $a == $b; |
208
|
|
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|
|
}, |
209
|
|
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|
|
|
210
|
103
|
|
|
103
|
|
90198
|
fallback => 1; |
|
103
|
|
|
|
|
262
|
|
|
103
|
|
|
|
|
2561
|
|
211
|
|
|
|
|
|
|
} |
212
|
|
|
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|
|
|
|
213
|
|
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|
|
|
|
214
|
|
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|
|
{ |
215
|
|
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|
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|
|
216
|
|
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|
|
|
|
package perl5i::2::DateTime::Format::CTime; |
217
|
|
|
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|
|
|
|
218
|
103
|
|
|
103
|
|
65680
|
use CLASS; |
|
103
|
|
|
|
|
17621
|
|
|
103
|
|
|
|
|
819
|
|
219
|
|
|
|
|
|
|
|
220
|
|
|
|
|
|
|
sub new { |
221
|
0
|
|
|
0
|
|
0
|
return bless {}, $CLASS; |
222
|
|
|
|
|
|
|
} |
223
|
|
|
|
|
|
|
|
224
|
|
|
|
|
|
|
sub format_datetime { |
225
|
13
|
|
|
13
|
|
4425
|
my $self = shift; |
226
|
13
|
|
|
|
|
21
|
my $dt = shift; |
227
|
|
|
|
|
|
|
|
228
|
|
|
|
|
|
|
# Straight from the Open Group asctime() docs. |
229
|
13
|
|
|
|
|
59
|
return sprintf "%.3s %.3s%3d %.2d:%.2d:%.2d %d", |
230
|
|
|
|
|
|
|
$dt->day_abbr, |
231
|
|
|
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|
|
|
$dt->month_abbr, |
232
|
|
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|
|
$dt->mday, |
233
|
|
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|
|
$dt->hour, |
234
|
|
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|
|
$dt->min, |
235
|
|
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|
|
$dt->sec, |
236
|
|
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|
|
$dt->year, |
237
|
|
|
|
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|
; |
238
|
|
|
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|
|
} |
239
|
|
|
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|
|
|
} |
240
|
|
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|
241
|
|
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|
242
|
|
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|
|
1; |