August 2014
Intermediate to advanced
1100 pages
31h 22m
English
Content preview from SAS 9.4 Functions and CALL Routines, 3rd Edition
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EXIST Function
Verifies the existence of a SAS library member.
Category: SAS File I/O
Syntax
EXIST(member-name <, member-type <, generation>>)
Required Argument
member-name
is a character constant, variable, or expression that specifies the SAS library member.
If member-name is blank or a null string, then EXIST uses the value of the _LAST_
system variable as the member name.
Optional Arguments
member-type
is a character constant, variable, or expression that specifies the type of SAS library
member. A few common member types include ACCESS, CATALOG, DATA, and
VIEW. If you do not specify a member-type, then the member type DATA is
assumed.
generation
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