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package Device::DSE::Q1573; |
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3
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1
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43186
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use DynaLoader; |
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34
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5
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6
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1
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1
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1178
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use Device::SerialPort qw(:STAT); |
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1
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43241
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1
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270
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7
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1
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10
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use POSIX qw(:termios_h); |
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7
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1
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7
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1
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459
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use Fcntl; |
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3
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1
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357
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9
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10
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1
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use strict; |
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47
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13
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BEGIN { |
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5
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use Exporter (); |
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1
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1
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21
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6
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $PortObj); |
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147
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3
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$VERSION = '0.7'; |
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1
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22
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@ISA = qw(Exporter DynaLoader); |
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1
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1
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@EXPORT = qw(); |
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1
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2
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@EXPORT_OK = qw(); |
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2
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%EXPORT_TAGS = (); |
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1
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601
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bootstrap Device::DSE::Q1573, $VERSION; |
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} |
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#################### subroutine header begin #################### |
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28
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# Create Instance |
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30
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#################### subroutine header end #################### |
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32
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33
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sub new |
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{ |
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1
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1
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14
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my ($class, $serialport) = @_; |
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37
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38
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39
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40
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1
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33
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9
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my $self = bless ({}, ref ($class) || $class); |
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42
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1
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10
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$self->{serialport} = $serialport; |
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43
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44
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1
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4
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return $self; |
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45
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} |
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46
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#################### subroutine header begin #################### |
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47
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48
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#Read meter |
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50
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#################### subroutine header end #################### |
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52
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sub rawread { |
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53
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54
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0
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0
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1
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my $self = shift; |
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55
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56
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0
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my $readval; |
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57
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0
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terminal($self->{serialport}, $readval); |
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58
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0
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return $readval; |
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59
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} |
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61
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62
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63
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64
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#################### main pod documentation begin ################### |
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66
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67
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68
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=head1 NAME |
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69
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70
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Device::DSE::Q1573 - Read data from DSE Q1573 Digital Multimeter |
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71
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72
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=head1 SYNOPSIS |
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73
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74
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use Device::DSE::Q1573; |
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75
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my $meter = Device::DSE::Q1573->new("/dev/ttyS0"); |
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76
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my $reading = $meter->read(); |
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77
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my $reading = $meter->rawread(); |
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79
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80
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=head1 DESCRIPTION |
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81
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82
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Sets up a connection to a DSE Q1573 or Metex ME-22 |
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83
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Digital Multimeter, and allows you to read measurements |
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84
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from it. The data return is 14 bytes of the format: |
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85
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86
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Type:Data:Units |
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87
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eg reading when temperature is selected on the meter |
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88
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will return |
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89
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90
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"TE 0019 C " |
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91
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92
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=head1 USAGE |
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93
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94
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=head2 new(serialport) |
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95
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96
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Usage : my $meter=Device::DSE::Q1573->new("/dev/ttyS0") |
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97
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Purpose : Opens the meter on the specified serial port |
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98
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Returns : object of type Device::DSE::Q1573 |
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99
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Argument : serial port |
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100
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101
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=head2 rawread(); |
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102
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103
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Usage : my $meter->rawread() |
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104
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Purpose : Returns the 14 byte string from the meter. |
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105
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106
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=head2 read(); |
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107
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108
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Usage : my $meter->read() |
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109
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Purpose : Returns a hash of values for the reading: |
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110
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111
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{ |
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112
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setting => setting eg TE for temperature |
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113
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value => value read eg 14 |
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114
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units => units read eg C for celsius |
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115
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116
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} |
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117
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118
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119
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=head1 EXAMPLE |
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120
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121
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use Device::DSE::Q1573; |
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122
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123
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my $meter = Device::DSE::Q1573->new( "/dev/ttyS0" ); |
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124
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125
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while(1) { |
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126
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my $data = $meter->read(); |
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127
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print $data->{value} . "\n"; |
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128
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sleep(1); |
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129
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} |
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130
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131
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132
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=head1 AUTHOR |
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133
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134
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David Peters |
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135
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CPAN ID: DAVIDP |
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136
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davidp@electronf.com |
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137
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http://www.electronf.com |
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138
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139
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=head1 COPYRIGHT |
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140
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141
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This program is free software; you can redistribute |
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142
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it and/or modify it under the same terms as Perl itself. |
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143
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144
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The full text of the license can be found in the |
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145
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LICENSE file included with this module. |
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146
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147
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148
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=head1 SEE ALSO |
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149
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150
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perl(1). |
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151
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152
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=cut |
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153
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154
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#################### main pod documentation end ################### |
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155
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156
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157
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1; |
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158
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