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21922
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use strict; use warnings; |
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140
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package Devel::Local; |
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our $VERSION = '0.21'; |
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use Cwd 'abs_path'; |
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151
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387
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use Config; |
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89
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11
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use File::Spec; |
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use File::Find; |
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4781
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my $path_sep = $Config::Config{'path_sep'}; |
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12
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sub import { |
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3
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3
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176381
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my ($package, @args) = @_; |
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3
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unshift @INC, get_path('PERL5LIB', @args); |
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3
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$ENV{PATH} = join $path_sep, get_path('PATH', @args); |
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} |
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sub print_path { |
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0
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0
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my ($name, @args) = @_; |
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my @path = get_path($name, @args); |
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0
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if (@path) { |
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if (not $ENV{PERL_DEVEL_LOCAL_QUIET}) { |
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warn "${name}:\n"; |
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for (@path) { |
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warn " $_\n"; |
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} |
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warn "\n"; |
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} |
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0
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0
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print join $path_sep, @path; |
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} |
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} |
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sub get_path { |
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0
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my ($name, @args) = @_; |
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my $cmd = ''; |
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100
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45
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if (not @args) { |
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@args = get_config_file(); |
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} |
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elsif (@args == 1 and $args[0] =~ /^[\!\?]$/) { |
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2
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$cmd = shift @args; |
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} |
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6
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15
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my (@left, @right, $found); |
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map { |
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6
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100
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52
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if ($_ eq '|') { |
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100
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100
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$found = 1; |
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} |
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elsif ($found) { |
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unshift @left, $_; |
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} |
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else { |
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unshift @right, $_; |
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} |
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} reverse(($ENV{$name}) |
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? grep($_, split($path_sep, $ENV{$name}, -1)) |
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: () |
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); |
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100
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21
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if ($cmd eq '!') { |
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2
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return @right; |
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} |
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4
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50
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9
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if ($cmd eq '?') { |
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0
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0
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0
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return scalar(@left) ? (@left, '|', @right) : (@right); |
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} |
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64
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4
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10
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my @locals = get_locals(@args); |
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4
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175
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for my $dir (reverse @locals) { |
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36
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add_to_path($name, $dir, \@left); |
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} |
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4
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50
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210
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return scalar(@left) ? (@left, '|', @right) : (@right); |
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} |
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71
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sub get_config_file { |
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4
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4
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0
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164
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my $home_file = File::Spec->catfile($ENV{HOME}, '.perl-devel-local'); |
73
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4
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216
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my $dot_file = File::Spec->catfile(File::Spec->curdir, 'devel-local'); |
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return |
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4
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0
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0
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90
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$ENV{PERL_DEVEL_LOCAL} ? $ENV{PERL_DEVEL_LOCAL} : |
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50
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(-f $dot_file) ? $dot_file : |
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($ENV{HOME} && -f $home_file) ? $home_file : |
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(); |
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} |
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81
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sub get_locals { |
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return map { |
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35
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s!([\\/])/+!$1!g; |
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12
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14
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s!(.)/$!$1!; |
85
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279
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abs_path($_); |
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} grep { |
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12
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50
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48
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s!^~/!$ENV{HOME}/! if defined $ENV{HOME}; |
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12
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387
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-d $_; |
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} map { |
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4
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0
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4
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-f($_) ? map { /\*/ ? glob($_) : $_ } read_config($_) : |
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50
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91
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/\*/ ? glob($_) : |
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($_); |
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} @_; |
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} |
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96
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sub add_to_path { |
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0
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my ($name, $dir, $path) = @_; |
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12
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242
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my $bin = File::Spec->catfile($dir, 'bin'); |
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12
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119
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my $lib = File::Spec->catfile($dir, 'lib'); |
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83
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my $blib = File::Spec->catfile($dir, 'blib'); |
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21
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my @add; |
102
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12
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100
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100
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1462
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if ($name eq 'PERL5LIB' and -d $lib) { |
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100
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100
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103
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4
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9
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push @add, $lib; |
104
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4
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50
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13
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if (has_xs($dir)) { |
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0
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0
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push @add, $blib; |
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} |
107
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} |
108
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elsif ($name eq 'PATH' and -d $bin) { |
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4
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9
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push @add, $bin; |
110
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} |
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12
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100
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35
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return unless @add; |
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10
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66
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78
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@$path = ( |
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@add, |
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grep { |
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8
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12
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not( |
116
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($name eq 'PERL5LIB' and ($_ eq $lib or $_ eq $blib)) or |
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($name eq 'PATH' and ($_ eq $bin)) |
118
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) |
119
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} @$path |
120
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); |
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8
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23
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return; |
122
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} |
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124
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sub has_xs { |
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4
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0
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7
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my $dir = shift; |
126
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4
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5
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my @xs; |
127
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File::Find::find sub { |
128
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16
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50
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16
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923
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push @xs, $_ if /\.xs$/; |
129
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4
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4420
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}, $dir; |
130
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4
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25
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return scalar @xs; |
131
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} |
132
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133
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sub read_config { |
134
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4
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4
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0
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7
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my ($file) = @_; |
135
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4
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50
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33
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69
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return () unless $file and -f $file; |
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4
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50
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287
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open my $f, $file or die "Can't open $file for input"; |
137
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4
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8
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my @lines; |
138
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4
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66
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while (my $line = <$f>) { |
139
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12
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17
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chomp $line; |
140
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12
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50
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40
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last unless $line =~ /\S/; |
141
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12
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50
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28
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next if $line =~ /^\s*#/; |
142
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12
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42
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$line =~ s/^\s*(.*?)\s*/$1/; |
143
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12
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57
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push @lines, $line; |
144
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} |
145
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4
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59
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return @lines; |
146
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} |
147
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148
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1; |