Hello everyone I am just getting started with macros and have been using %let for a while now. Put simply, in my program I want to have a %let command to invoke further %let commands. I want to be able to enter a relatively simple variable (i.e. year) and call other variables that are harder to remember (ID's), but which are always related. So that every year has a specific ID. Currently I am using it like this and it works: %let year = 2020; %let ID = 1234; %let ID_TM1 = 5678; %let ID_LIST = (9012, 3456, 7890); But this requires me to look up the IDs every time I want to run another year. So, I want to look it something like this: %let year = 2020; %if &year = 2020 %then %let ID = 1234 %let ID_TM1 = 5678 %let ID_LIST = (9012, 3456, 7890); This however produces the error 49, which I do not understand since there are no opening brackets. Thank you very much!
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