A LIBNAME should point to a directory containing SAS datasets. It looks like yours points to a SAS program. Something like this should work:
Libname stat480 '/folders/myshortcuts/S2/';
Use the FILENAME statement when you need to reference a specific file, or a directory for the purposes of reading or writing files that are not SAS data sets.
filename stat480 '/folders/myshortcuts/S2/';
/* include and run a program from the folder */
%include stat480(STAT480.sas);
data stat;
/* read a CSV file from the folder*/
infile stat480(data.csv);
input v1 v2 ...;
run;
Editor's note: Popular topic! We added a few more examples and documentation links.
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