okey thanks it works now 
))))
Arrays in SAS are not the same as in other languages. They simplify the reference to variables but do not exist beyond shortcuts to variables.
Declaring an array in a data step does nothing in the next data step. The do loop goes through the array and outputs each item onto a new line.
It's finally time to hack! Remember to visit the SAS Hacker's Hub regularly for news and updates.
Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
Find more tutorials on the SAS Users YouTube channel.
Ready to level-up your skills? Choose your own adventure.