Initial data commit

Task/Conditional-structures/REXX/conditional-structures-1.rexx

@@ -0,0 +1,18 @@
+if  y  then @=6                        /* Y  must be either   0  or  1  */
+
+if t**2>u  then x=y                    /*simple  IF  with  THEN & ELSE. */
+           else x=-y
+
+if t**2>u  then do j=1  for 10;  say prime(j);  end    /*THEN  DO  loop.*/
+           else x=-y                                   /*simple  ELSE.  */
+
+if z>w+4  then do                                      /*THEN  DO group.*/
+               z=abs(z)
+               say 'z='z
+               end
+          else do;  z=0;  say 'failed.';  end          /*ELSE  DO group.*/
+
+if x>y  &  c*d<sqrt(pz) |,             /*this statement is continued [,]*/
+   substr(abc,4,1)=='~'  then  if  z=0  then call punt
+                                        else nop       /*NOP pairs up IF*/
+                         else  if  z<0  then z=-y      /*alignment helps*/

Task/Conditional-structures/REXX/conditional-structures-2.rexx

@@ -0,0 +1,24 @@
+                      /*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 here & none of the WHENs were*/
+                      /*satisfiied, a SYNTAX (error) condition is raised*/
+ end  /*1st select*/
+
+     select
+     when a=='angel'              then many='host'
+     when a=='ass' | a=='donkey'  then many='pace'
+     when a=='crocodile'          then many='bask'
+     when a=='crow'               then many='murder'
+     when a=='lark'               then many='ascension'
+     when a=='quail'              then many='bevy'
+     when a=='wolf'               then many='pack'
+     otherwise                         many='?'
+     end  /*2nd select*/          /* [↑]  uses OTHERWISE as a catch-all.*/

Task/Conditional-structures/REXX/conditional-structures-3.rexx

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+     select
+     when g=='angel'              then many='host'
+     when g=='ass' | g=='donkey'  then many='pace'
+     when g=='crocodile'          then many='bask'
+     when g=='crow'               then many='murder'
+     when g=='lark'               then many='ascension'
+     when g=='quail'              then many='bevy'
+     when g=='wolf'               then many='pack'
+     otherwise  say
+                say '*** error! ***'
+                say g  "isn't one of the known thingys."
+                say
+                exit 13
+     end   /*select*/