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package Env::Sanctify; |
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$Env::Sanctify::VERSION = '1.12'; |
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#ABSTRACT: Lexically scoped sanctification of %ENV |
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5
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164631
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use strict; |
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13
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5
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183
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6
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27
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use warnings; |
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11
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5
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3230
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7
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8
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sub sanctify { |
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5
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5
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1
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172
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my $package = shift; |
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22
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my %opts = @_; |
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47
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$opts{lc $_} = delete $opts{$_} for keys %opts; |
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5
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100
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66
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48
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delete $opts{env} unless $opts{env} and ref $opts{env} eq 'HASH'; |
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5
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100
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66
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55
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delete $opts{sanctify} unless $opts{sanctify} and ref $opts{sanctify} eq 'ARRAY'; |
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my $self = bless \%opts, $package; |
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33
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$self->_sanctify(); |
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5
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return $self; |
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} |
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19
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sub _sanctify { |
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5
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15
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my $self = shift; |
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5
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42
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$self->{_backup} = { }; |
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100
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if ( $self->{sanctify} ) { |
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4
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foreach my $regex ( @{ $self->{sanctify} } ) { |
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15
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6
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54
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$self->{_backup}->{$_} = delete $ENV{$_} for grep { eval { /$regex/ } } keys %ENV; |
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143
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143
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143
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510
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25
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} |
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} |
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5
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100
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if ( $self->{env} ) { |
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3
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$self->{_backup}->{$_} = delete $ENV{$_} for grep { defined $ENV{$_} } keys %{ $self->{env} }; |
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3
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12
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3
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$ENV{$_} = $self->{env}->{$_} for keys %{ $self->{env} }; |
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34
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30
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} |
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5
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return 1; |
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} |
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34
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sub restore { |
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5
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5
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1
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4526
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my $self = shift; |
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5
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10
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delete $ENV{$_} for keys %{ $self->{env} }; |
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45
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5
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14
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$ENV{$_} = $self->{_backup}->{$_} for keys %{ $self->{_backup} }; |
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5
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154
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38
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5
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return $self->{_restored} = 1; |
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} |
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41
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sub DESTROY { |
42
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5
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5
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7461
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my $self = shift; |
43
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5
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100
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343
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$self->restore unless $self->{_restored}; |
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} |
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46
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'Sanctify yourself, set yourself free'; |
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48
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__END__ |