#!/bin/bash

function ordinal () {
  case "$1" in
    *1[0-9] | *[04-9]) echo "$1"th;;
    *1) echo "$1"st;;
    *2) echo "$1"nd;;
    *3) echo "$1"rd;;
  esac
}

for x in `seq 1 25` 100 101 102 $RANDOM $RANDOM $RANDOM $RANDOM $RANDOM $RANDOM $RANDOM $RANDOM
do
  echo "$x is $(ordinal $x)"
done