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Production Ready Macros for SAS Application Developers
https://github.com/sasjs/core
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Checks whether a macro variable is empty (blank) More...
Go to the source code of this file.
Simply performs:
%sysevalf(%superq(param)=,boolean)
Usage:
put mf_isblank(&var);
inspiration: https://support.sas.com/resources/papers/proceedings09/022-2009.pdf
param | VALUE to be checked |
Definition in file mf_isblank.sas.