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12-append.t
To install DBIx::Class::Tree::NestedSet, copy and paste the appropriate command in to your terminal.
cpanm
cpanm DBIx::Class::Tree::NestedSet
CPAN shell
perl -MCPAN -e shell install DBIx::Class::Tree::NestedSet
For more information on module installation, please visit the detailed CPAN module installation guide.