Catmandu::Fix::retain_field - delete everything from a field except
# Delete every key from foo except bar retain_field('foo.bar');
Catmandu::Fix
To install Catmandu, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Catmandu
CPAN shell
perl -MCPAN -e shell install Catmandu
For more information on module installation, please visit the detailed CPAN module installation guide.