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1.11 Listing database information

The af tool can be used to list information about an existing database. The -l option lists the documents contained in a database:

     $ af -l -d mydb

Each line of output takes the form:

     + docid parent filename begin end doctype

where ‘docid’ is an unique number identifying the document within the database, ‘parent’ is the docid of the document that “contains” this document (or 0 if no such relationship exists), ‘filename’ is the name of the file containing the document, ‘begin’ and ‘end’ are byte offsets indicating the beginning and ending of the document within the file, and ‘doctype’ is the name of the document type associated with the document.