#!/bin/bash
# states - A state capital guessing game. Requires the state capitals
#   data file at http://www.intuitive.com/wicked/examples/state.capitals.txt.

setglobal db = '"/usr/lib/games/state.capitals.txt'"     # Format is State[tab]City

if test ! -r $db  {
  echo "$0: Can't open $db for reading." > !2
  echo "(get http://www.intuitive.com/wicked/examples/state.capitals.txt" > !2
  echo "save the file as $db and you're ready to play!)" > !2
  exit 1
}

setglobal guesses = '0'; setglobal correct = '0'; setglobal total = '0'

while test $guess != "quit" {
  
  setglobal thiskey = $[randomquote $db]
  
  # $thiskey is the selected line. Now let’s grab state and city info,
  # then also have "match" as the all-lowercase version of the city name

  setglobal state = $[echo $thiskey | cut -d' '  -f1 | sed 's/-/ /g]
   setglobal city = $[echo $thiskey | cut -d' '  -f2 | sed 's/-/ /g]
  setglobal match = $[echo $city | tr '[:upper:]' '[:lower:]]

  setglobal guess = '"??'" ; setglobal total = $shExpr(' $total + 1 ') ;

  echo ""
  echo "What city is the capital of $state?"

  # Main loop where all the action takes place. Script loops until
  # city is correctly guessed, or the user types "next" to 
  # skip this one, or "quit" to quit the game

  while [ "$guess" != "$match" -a "$guess" != "next" -a "$guess" != "quit" ]
  {
    /bin/echo -n "Answer: "
    read guess

    if test $guess = $match -o $guess = $city  {
      echo ""
      echo "*** Absolutely correct!  Well done! ***"
      setglobal correct = $shExpr(' $correct + 1 ')
      setglobal guess = $match
    } elif test $guess = "next" -o $guess = "quit"  {
      echo ""
      echo "$city is the capital of $state."  # what you SHOULD have known 
    } else {
      echo "I'm afraid that's not correct."
    } 
  }

}

echo "You got $correct out of $total presented."
exit 0