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D-flat: A Simple File System Convention for Digital Object Storage

Dflat defines a simple file system convention for storing a digital object. It imposes minimal architectural and policy constraints while reserving a small set of file system names (for directories and files) that place certain salient object features, if available, in well-known locations within a single directory hierarchy that houses the entire object. With no other knowledge about the nature or purpose of the object, human administrators and automated agents that visit a "digital flat" will be able to identify its "occupant" and understand certain of its properties such as content, metadata, version history, annotations, and administrative records.

Name: Dflat
Version: 1.0 (2013-09-24)
Status: Production
Specification: Dflat: A Simple File System Convention for Digital Object Storage
Download: Not available
More information: Curation home page

Dflat itself makes use of other specifications and conventions, including:

  • Checkm: A Checksum-based Manifest Format
  • LockIt: A Simple File-based Convention for Resource Locking
  • Namaste: Name-as-Text Tags
  • ReDD: Reverse Directory Deltas

Implementations

Dflat (Python)

Code:

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