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package Linux::Input::Info; |
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use strict; |
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require DynaLoader; |
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require Exporter; |
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our @ISA = qw(Exporter DynaLoader); |
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our $VERSION = '0.2'; |
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use constant EV_SYN => 0x00; |
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use constant EV_KEY => 0x01; |
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use constant EV_REL => 0x02; |
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use constant EV_ABS => 0x03; |
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use constant EV_MSC => 0x04; |
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use constant EV_LED => 0x11; |
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use constant EV_SND => 0x12; |
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use constant EV_REP => 0x14; |
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use constant EV_FF => 0x15; |
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use constant EV_PWR => 0x16; |
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use constant EV_FF_STATUS => 0x17; |
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21
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use constant EV_MAX => 0x1f; |
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583
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our %EV_NAME = ( |
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EV_SYN , "EV_SYN", |
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EV_KEY , "EV_KEY", |
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EV_REL , "EV_REL", |
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EV_ABS , "EV_ABS", |
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EV_MSC , "EV_MSC", |
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EV_LED , "EV_LED", |
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EV_SND , "EV_SND", |
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EV_REP , "EV_REP", |
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EV_FF , "EV_FF", |
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EV_PWR , "EV_PWR", |
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EV_FF_STATUS , "EV_FF_STATUS", |
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); |
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our @EXPORT_OK = qw(EV_SYN EV_KEY EV_REL EV_ABS |
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EV_MSC EV_LED EV_SND EV_REP |
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EV_FF EV_PWR EV_FF_STATUS); |
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our %EXPORT_TAGS = ( all => [@EXPORT_OK] ); |
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=head1 NAME |
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45
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Linux::Input::Info - get information about /dev/input/event* devices under Linux |
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47
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=head1 SYNOPSIS |
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49
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use Linux::Input::Info qw(:all); # optionally export EV_* constants |
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51
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for (0..32) { |
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my $i = Linux::Input::Info->new($_); |
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printf "/dev/input/event%d\n", $_; |
54
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55
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printf "\tbustype : %s\n", $i->bustype; |
56
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printf "\tvendor : 0x%x\n", $i->vendor; |
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printf "\tproduct : 0x%x\n", $i->product; |
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printf "\tversion : %d\n", $i->version; |
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printf "\tname : %s\n", $i->name; |
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printf "\tuniq : %s\n", $i->uniq; |
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printf "\tphys : %s\n", $i->phys; |
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printf "\tbits ev :"; |
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printf " %s", $i->ev_name($_) for $i->bits; |
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printf "\n"; |
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} |
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67
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=head1 DESCRIPTION |
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=head1 METHODS |
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71
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=head2 new |
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73
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Returns undef if the device does not exist. |
74
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75
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=cut |
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77
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sub new { |
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0
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0
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1
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my $class = shift; |
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0
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my $num = shift; |
80
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81
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0
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my $fd = device_open($num); |
82
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0
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0
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return undef unless defined $fd; |
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84
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0
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my $self = device_info($fd); |
85
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86
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0
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return bless $self, $class; |
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} |
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89
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90
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91
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=head2 bustype |
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93
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get the bus type |
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95
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=cut |
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97
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sub bustype { |
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0
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0
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return $_[0]->{bustype}; |
99
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} |
100
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101
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=head2 vendor |
102
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103
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get vendor id |
104
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105
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=cut |
106
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107
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sub vendor { |
108
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0
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return $_[0]->{vendor}; |
109
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} |
110
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111
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=head2 product |
112
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113
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get the product id |
114
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115
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=cut |
116
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117
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sub product { |
118
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0
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0
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1
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return $_[0]->{product}; |
119
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} |
120
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121
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=head2 version |
122
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123
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get driver version |
124
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125
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=cut |
126
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127
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sub version { |
128
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0
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0
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return $_[0]->{version}; |
129
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} |
130
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131
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132
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=head2 name |
133
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134
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get device name |
135
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136
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=cut |
137
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138
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sub name { |
139
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0
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0
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return $_[0]->{name}; |
140
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} |
141
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142
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143
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=head2 uniq |
144
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145
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get unique identifier |
146
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147
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=cut |
148
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149
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sub uniq { |
150
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0
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0
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return $_[0]->{uniq}; |
151
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} |
152
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153
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154
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=head2 phys |
155
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156
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get physical location |
157
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158
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=cut |
159
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160
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sub phys { |
161
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0
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0
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return $_[0]->{phys}; |
162
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} |
163
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164
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=head2 bits |
165
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166
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get event bits |
167
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168
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=cut |
169
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170
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sub bits { |
171
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0
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0
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1
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return @{$_[0]->{bits}}; |
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0
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172
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} |
173
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174
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=head2 ev_name |
175
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176
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map event bit to event name |
177
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178
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=cut |
179
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180
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sub ev_name { |
181
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0
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0
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1
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my ($self, $bit) = @_; |
182
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0
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return $EV_NAME{$bit}; |
183
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} |
184
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185
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=head1 BUGS |
186
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187
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Make sure it doesn't leak memory. |
188
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189
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=head1 AUTHOR |
190
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191
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Simon Wistow |
192
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193
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=head1 COPYRIGHT |
194
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195
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Copyright 2005, Simon Wistow |
196
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197
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=head1 SEE ALSO |
198
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199
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L |
200
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201
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Gerd Knorr's input utils - http://dl.bytesex.org/cvs-snapshots/ |
202
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203
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=cut |
204
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205
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206
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bootstrap Linux::Input::Info $VERSION; |
207
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208
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1; |
209
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__END__ |