This paper illustrate some of the main SAS Macro functions (%eval, %sysfunc,%str) . Macro quoting function are also mentionned.
This paper is designed for people who know the basics of SAS programming and would like to be introduced in the SAS macro world
Les Macros is a reference course note presenting everything you should know about SAS macros. The course notes are in french.
If you want to know everything in the %sysfunc() SAS macro function, read this paper !