Iterative Processing
The %DO Statement
A Brief Overview
Many macro applications
require iterative processing. With the iterative %DO statement you
can do the following repeatedly:
-
execute macro programming code
-
generate SAS code
The iterative %DO and
%END statements are valid only inside a macro definition. The index
variable is created in the local symbol table if it does not appear
in any existing symbol table.
The iterative %DO statement
evaluates the value of the index variable at the beginning of each
loop iteration. The loop stops processing when the index variable
has a value that is outside the range of the start and stop values.
%DO Syntax
|
Syntax, iterative %DO
statement with %END statement:
%DO index-variable=start ... |
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