Externally Described
Externally Described
For externally described files, entries on output specifications are divided into the following categories:
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Record identification and control (positions 7 through 39)
Figure 1. Externally Described Record Layout
*.. 1 ...+... 2 ...+... 3 ...+... 4 ...+... 5 ...+... 6 ...+... 7 ...+... 8 ...+... 9 ...+... 10 ORcdname+++D...N01N02N03Excnam++++.........................................Comment+++++++++++++ ORcdname+++DAddN01N02N03Excnam++++.........................................Comment+++++++++++++ O.........And..N01N02N03Excnam++++.........................................Comment+++++++++++++ -
Field description and control (positions 21 through 43, and 45).
Figure 2. Externally Described Field Layout
*.. 1 ...+... 2 ...+... 3 ...+... 4 ...+... 5 ...+... 6 ...+... 7 ...+... 8 ...+... 9 ...+... 10 O..............N01N02N03Field+++++++++.B...................................Comment+++++++++++++