You can use a token (1) as a true/false switch for logical decisions
(see the //IF macro), and
(2)
as a character string value
in
substitution fields (see the SUBSTITUTION FIELDS section).
2.
Logical operator
The simple logical operators are:
AND (represented by the ampersand symbol "&")
OR (represented by the plus
symbol"
+
")
NOT (represented by the minus
symbol"
- ")
3.
Label
A JCL label
is
used to define the start of a JCL procedure, which
allows many small JCL procedures to
be
combined into one large
file. The format for a label is:
@label
The label can be up to 8 alphanumeric characters long.
A-14
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