Patent ID: 7366744

Claim:
A file management apparatus for managing a file of content data recorded on a recording medium based on a file system capable of at least dividing, combining, erasing and track number moving as an editing process to recording data, comprising: file generating means for generating the file by gathering a plurality of content units not continuous with each other on the recording medium; reading means for reading the file and information indicating relative positions of the content units recorded in the recording medium; dividing means for dividing a content unit included in the file into parts at a discontinuous point and generating information indicating the absolute positions on the recording medium of the respective parts, if the content unit is made of a discontinuous area on the recording medium when the information indicating the relative positions of the content units is read by the reading means; table storage means for storing a table that associates the information indicating the relative position of the content unit included in the file with the information indicating the absolute position of the parts; temporary storage means for expanding the file by the parts and the information indicating the absolute position of the parts; and data editing means for executing the editing process including at least any of the dividing, the combining, the erasing and the track number moving for the parts expanded to the temporary storage means.