Data commit

Task/Nth/UNIX-Shell/nth.sh

@@ -0,0 +1,16 @@
+nth() {
+  local ordinals=(th st nd rd)
+  local -i n=$1 i
+  if (( n < 0 )); then
+    printf '%s%s\n' - "$(nth $(( -n )) )"
+    return 0
+  fi
+  case $(( n % 100 )) in
+    11|12|13) i=0;;
+    *) (( i= n%10 < 4 ? n%10 : 0 ));;
+  esac
+  printf '%d%s\n' "$n" "${ordinals[i]}"
+}
+for n in {0..25} {250..265} {1000..1025}; do
+  nth $n
+done | column