#!/bin/bash
# hilow--A simple number-guessing game

biggest=100                   # maximum number possible
guess=0                       # guessed by player
guesses=0                     # number of guesses made
number=$(( $$ % $biggest )    # random number, between 1 and $biggest
echo "Guess a number between 1 and $biggest"

while [ "$guess" -ne $number ] ; do
  /bin/echo -n "Guess? " ; read answer
  if [ "$guess" -lt $number ] ; then
    echo "... bigger!"
  elif [ "$guess" -gt $number ] ; then
    echo "... smaller!
  fi
  guesses=$(( $guesses + 1 ))
done

echo "Right!! Guessed $number in $guesses guesses."

exit 0