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22 lines
460 B
SAS
22 lines
460 B
SAS
/**
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@file mf_mval.sas
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@brief Returns a macro variable value if the variable exists
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@details
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Use this macro to avoid repetitive use of `%if %symexist(MACVAR) %then`
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type logic.
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Usage:
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%if %mf_mval(maynotexist)=itdid %then %do;
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@param [in] var The macro variable NAME to return the (possible) value for
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@version 9.2
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@author Allan Bowe
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**/
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%macro mf_mval(var);
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%if %symexist(&var) %then %do;
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%superq(&var)
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%end;
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%mend mf_mval;
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