Format Version: 2-byte integer (hex) (bit field) delete on remove: boolean delete on install: boolean copy: boolean unused: boolean unused: boolean unused: boolean unused: boolean unused: boolean (bit field) unused: boolean unused: boolean unused: boolean leave alone if newer: boolean keep existing: boolean update only: boolean resource fork: boolean data fork: boolean Target FileSpec: 2-byte integer (decimal) Source FileSpec: 2-byte integer (decimal) File Size: 4-byte integer (decimal) Atom Description: pstring (1-byte length) (padded to 2-byte alignment)