September 2017 Update

Task/Nth/Jq/nth.jq

@@ -0,0 +1,17 @@
+# ordinalize an integer input, positive or negative
+def ordinalize:
+ (if . < 0 then -(.) else . end) as $num
+ | ($num % 100) as $small
+ | (if 11 <= $small and $small <= 13 then "th"
+    else
+    ( $num % 10)
+      | (if   . == 1 then "st"
+         elif . == 2 then "nd"
+         elif . == 3 then "rd"
+         else             "th"
+         end)
+    end) as $ordinal
+ | "\(.)\($ordinal)" ;
+
+([range(-5; -1)], [range(0;26)], [range(250;266)], [range(1000;1026)])
+ | map(ordinalize)