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package Env::ShellWords; |
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127880
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use strict; |
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use warnings; |
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868
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use Text::ParseWords qw( shellwords ); |
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# ABSTRACT: Environment variables for arguments as array |
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our $VERSION = '0.01'; # VERSION |
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sub TIEARRAY |
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{ |
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my($class, $name) = @_; |
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bless \$name, $class; |
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} |
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sub FETCH |
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{ |
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my($self, $key) = @_; |
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my @list = shellwords($ENV{$$self}); |
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$list[$key]; |
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} |
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sub _render |
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{ |
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my($self, @list) = @_; |
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$ENV{$$self} = join ' ', map { |
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my $value = $_; |
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$value = '' unless defined $value; |
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$value =~ s/(\s)/\\$1/g; |
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$value eq '' ? "''" : $value; |
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} @list; |
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} |
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sub STORE |
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{ |
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my($self, $key, $value) = @_; |
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my @list = shellwords($ENV{$$self}); |
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$list[$key] = $value; |
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_render($self, @list); |
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$value; |
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} |
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sub FETCHSIZE |
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{ |
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my($self) = @_; |
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my @list = shellwords($ENV{$$self}); |
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$#list + 1; |
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} |
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sub STORESIZE |
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{ |
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my($self, $count) = @_; |
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my @list = shellwords($ENV{$$self}); |
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$#list = $count - 1; |
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_render($self, @list); |
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return; |
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} |
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sub CLEAR |
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{ |
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my($self) = @_; |
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_render($self); |
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return; |
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} |
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sub PUSH |
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{ |
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my($self, @values) = @_; |
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_render($self, shellwords($ENV{$$self}), @values); |
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return; |
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} |
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sub POP |
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{ |
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my($self) = @_; |
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my @list = shellwords($ENV{$$self}); |
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my $value = pop @list; |
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_render($self, @list); |
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return $value; |
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} |
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sub SHIFT |
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{ |
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my($self) = @_; |
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my($value, @list) = shellwords($ENV{$$self}); |
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_render($self, @list); |
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return $value; |
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} |
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sub UNSHIFT |
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{ |
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my($self, @values) = @_; |
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_render($self, @values, shellwords($ENV{$$self})); |
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return; |
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} |
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sub SPLICE |
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{ |
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my($self, $offset, $length, @values) = @_; |
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my @list = shellwords($ENV{$$self}); |
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my @ret = splice @list, $offset, $length, @values; |
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_render($self, @list); |
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@ret; |
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} |
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sub DELETE |
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{ |
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my($self, $key) = @_; |
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my @list = shellwords($ENV{$$self}); |
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my $value = delete $list[$key]; |
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_render($self, @list); |
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return $value; |
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} |
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sub EXISTS |
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{ |
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my($self, $key) = @_; |
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my @list = shellwords($ENV{$$self}); |
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return exists $list[$key]; |
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} |
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sub EXTEND {} # do nothing! |
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sub import |
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{ |
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my $caller = caller; |
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my(undef, @vars) = @_; |
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515
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foreach my $var (@vars) |
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{ |
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if($var =~ s/^\@//) |
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{ |
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no strict 'refs'; |
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tie my @list, __PACKAGE__, $var; |
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*{"${caller}::${var}"} = \@list; |
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} |
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else |
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{ |
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require Carp; |
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Carp::croak("Env::ShellWords does not work with $var"); |
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} |
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} |
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} |
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1; |
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__END__ |