September 2017 Update

Task/Conditional-structures/OoRexx/conditional-structures-4.rexx

@@ -0,0 +1,14 @@
+                     /*the  WHEN  conditional operators are the same as */
+                     /*the   IF   conditional operators.                */
+
+  select
+  when t<0       then z=abs(u)
+  when t=0 & y=0 then z=0
+  when t>0       then do
+                      y=sqrt(z)
+                      z=u**2
+                      end
+
+                /*if control reaches this point  and  none of the WHENs */
+                /*were satisfiied, a SYNTAX condition is raised (error).*/
+  end