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Kormla
Calcite | Level 5
  • %if &name=GEORGE %then %let lastname=smith;

If i have the above macros, why did the &name statement used the ampersand & but not %, please help. Thanks.

6 REPLIES 6
Linlin
Lapis Lazuli | Level 10

because name is a macro variable. You have to use & when you use a macro variable.

Kormla
Calcite | Level 5

does it mean that name must be userdefined?

Linlin
Lapis Lazuli | Level 10

I don't full understand what you mean by "must be userdefined". There are different ways to assign value to macro variable name.

one way is

%let name=GEORGE;

Kormla
Calcite | Level 5

hi, yes i understand that part, my question is why use this ampersand & in name again

Linlin
Lapis Lazuli | Level 10

without "&" SAS does not know "name" is a macro variable.

Kormla
Calcite | Level 5

ok thank you very much

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