Stacking columns by group
Hi, I am new to JSL scripting. I want to stack columns coming from same common name (upto certain length). Such as I have column name "66_CORR_B1_W00", "66_CORR_B1_W01" and so on upto "66_CORR_B1_W12". They should be in single column named""66_CORR_B1". And this will repeat for another column group name starring with "66_CORR_B2". There could be 20 groups of these columns. Finally I want 20 column...