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*A8A4B0389A765D4D22FDD7AF42C542C2AC537F0D81FFB2B65605C60B1E9CB1B4
To work with a package use the SAS Packages Framework.