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Catmandu-1.04
River stage two • 77 direct dependents • 83 total dependents
22 ++
/ Catmandu::Fix::retain

NAME

Catmandu::Fix::retain - delete everything except the paths given

SYNOPSIS

   # Keep the field _id , name , title
   retain(_id , name, title)

   # Delete everything except foo.bar 
   #   {bar => { x => 1} , foo => {bar => 1, y => 2}}
   # to
   #   {foo => {bar => 1}}
   retain(foo.bar)

SEE ALSO

Catmandu::Fix