Using SAS Macro Functions to Manipulate Character Strings
Macro Character Functions
Often when working with macro variables, you need to manipulate character strings. Here are ways you can do this by using macro character functions:
change lowercase letters to uppercase
produce a substring of a character string
extract a word from a character string
determine the length of a character string
Macro character functions have the same basic syntax as the corresponding DATA step functions, and they yield similar results. However, it is important to remember that although they might be similar, macro character functions are distinct from DATA step functions. As part of the macro language, macro functions enable you to communicate ...