Hands-on Exercise

Hands-on Exercise: DIRECTORY in DCL

Elements:

F$SEARCH()

F$FILE_ATTRIBUTES()
F$FAO()
WRITE SYS$OUTPUT

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Time for a hands-on exercise!

Let’s write a Directory procedure using DCL.

The DCL elements we’ll use are:o F$SEARCH()o F$FILE_ATTRIBUTES()o F$FAO()o WRITE SYS$OUTPUT

F$FILE_ATTRIBUTES() and F$FAO() are new to our discussion. We’ll only use a small handful of their keywords and directives. We'll go over them briefly, first.