The evExpress package is a bunch of macros and functions
design to help evaluate SAS expressions that are provided
in a form of a text string.
SHA256 digest for the latest version of evExpress: F*19CC8C0C14CEBD6962F96FA114430A5044ABD02972DFAAE3F5BE1878FDBEA221
To work with a package use the SAS Packages Framework.