Minidisks and data sets are the most frequently protected and the most numerous resources. CA Top Secret provides an additional means of minimizing TSS command entries: masking. Unlike generic prefixing, which can be employed with any type of resource, masking (or patterning) can only be used for certain types of resources. Minidisks and OS/DOS data sets, for example, are two resource types that support this concept. For information on whether you can use masking for a resource, see your Command Functions Guide.
Like generic prefixing, masking is used to group several resources with similar names; however, masking is not restricted to prefixes. Similar characters can occur in the beginning, middle, or end of the resource name and there can be any number of variable characters in between. Masking substitutes special characters for these variables. There are five different masking options:
Use the asterisk * to represent from zero to eight characters. For example, SAL*M.MARCH would match SALPAYM.MARCH, SALM.MARCH, and SAL.C.M.MARCH.
Use .*. or *. to instruct CA Top Secret to ignore an index level. For example, SAL.*.ABC would match SAL.BCKUP.ABC, SAL.ABC, and SAL.US.REC.ABC.
Uses the special character + to represent single positions within a resource specification. For example, SAL.+++.ABC would match SAL.REC.ABC but not SAL.BCKUP.ABC.
Use the percent sign % to indicate that the ACID of the access requestor is substituted at run time. For example, using ACCT.%.ABC, USER01 could access ACCT.USER01.ABC but not ACCT.USER02.ABC.
Use the hyphen - to represent a variable number of characters. For example, SAL-XMPT would match SAL.UPDTE.XMPT, and SAL.MSTR.XMPT.QTR.
Floating-pattern masking cannot be used in combination with other masking characters and it cannot be used for minidisks.
If you decide to use masking, make sure that you tell users which mask (or combination of masks) you want to use and how you want those masks to work.
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