The Book Shelf is a text based file for grouping BOOK files in a directory: A shelf.

The file contains

FIXME: EBCDIC, or ASCII required? FIXME: Are empty lines between blocks mandatory?

Header.

Example:

BKSHELF=CBLLE
BKSTITLE=Programming: ILE COBOL
BKSDATETIME=01/22/24 17:51:23
BKSINDEX=
BKIDATETIME=
BKSLEXIS=
BKIBOOKS=     0

BKSHELF is a short name for the shelf. FIXME: Length? Character restrictions?
BKSTITLE is a friendly name for the shelf. FIXME: Length?
BKSDATETIME is a time stamp in US format MM/DD/YY HH:MM:SS. FIXME: Creation time? Last changed?
BKSINDEX is the name of an Book Shelf Index. FIXME: Much more additional information needed.
BKIDATETIME is a time stamp in US format MM/DD/YY HH:MM:SS. FIXME: Creation time? Last changed?
BKSLEXIS FIXME: What is this?
BKIBOOKS is a right adjusted, six digit field. FIXME: Purpose?

BOOK entry.

Example:

SHSC09-2539-01
ST  ILE COBOL for AS/400 Reference
BKNAME=SC092539
BKDATETIME=03/12/99 11:20:08
BKFLAG=I

SH is the starting sequence listing the IBM internal document number (ID) for a BOOK.
ST is the starting sequence listing the BOOK title.
BKNAME is the file name of the referenced BOOK.
BKDATETIME is a time stamp in US format MM/DD/YY HH:MM:SS. FIXME: Creation time? Last changed?
BKFLAG FIXME: What is this?