The general layout for the file description specification is as
follows:
- the file description specification type (F) is entered in position
6
- the non-commentary part of the specification extends from position
7 to position 80
- the fixed-format entries extend from positions 7 to
42. For files defined with the LIKEFILE keyword, the entries from
position 17 to position 43 must be blank. The values for those fixed-form
entries are taken from the parent file specified by the LIKEFILE keyword.
- the keyword entries extend from positions
44 to 80
- the comments section of the specification extends from position
81 to position 100
Figure 1. File Description Specification
Layout*.. 1 ...+... 2 ...+... 3 ...+... 4 ...+... 5 ...+... 6 ...+... 7 ...+... 8 ...+... 9 ...+... 10
FFilename++IPEASFRlen+LKlen+AIDevice+.Keywords+++++++++++++++++++++++++++++Comments++++++++++++