title: CouchDB document replication(updating specific attributes of a document)
body: <p>I have an issue of replication and I need your help in it.In couchDb replication,I want to replicate in such a way that during Couchdb replication I want to reset/update some specific attributes of a a document for some purpose and then these edited documents should be saved in replicated db without effecting the original ones.For example:
  A document named Student with attributes id,name,class etc.
  And I want to replicate this document in the way that its name and class should be reset/updated.
  Will you please tell me how can I achieve it.
  Thanks.</p>