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Glossary

  

Container

A file or data stream having a well-defined data structure that is capable of containing other files or data streams.

Depth

The 0-based nesting level of a file or data stream.

For example:

Depth Name
0 Example.zip
1 RAR_archive_inside_example_ZIP.rar
2 JPEG_image_inside_RAR.jpg

Nested Container Descriptor (NCD)

A comma-separated ordered list of file types representing the nested structure of the contents of a file.

For example:

  • ZIP,RAR,JPEG represents a JPEG image inside a RAR archive inside a ZIP archive.
  • MIME,PDF represents a PDF document inside an email message.
  • ZIP:JAR,CLASS represents a Java class object inside a Java archive (which is a sub-type of ZIP).

Nested Container Extensions (NCE)

A comma-separated ordered list of file extensions associated with the nested structure of the contents of a file.

For example:

  • zip,rar,jpg could be the file extensions associated with a JPEG image inside inside a RAR archive inside a ZIP archive.
  • eml,pdf could be the file extensions associated with a PDF document inside an email message.
  • jar,class could be the file extensions associated with a Java class object inside a Java archive.