Spelling test for your kids

gistfile1.txt

#! /bin/bash

shuffle() {
   local i tmp size max rand

   # $RANDOM % (i+1) is biased because of the limited range of $RANDOM
   # Compensate by using a range which is a multiple of the array size.
   size=${#array[*]}
   max=$(( 32768 / size * size ))

   for ((i=size-1; i>0; i--)); do
      while (( (rand=$RANDOM) >= max )); do :; done
      rand=$(( rand % (i+1) ))
      tmp=${array[i]} array[i]=${array[rand]} array[rand]=$tmp
   done
}

declare -a array=(
"we" 
"bee"
"need"
"queen"
"mean"
"leaf"
"thief"
"chief"
"pony"
"keys"
"grow"
"toe"
"after"
"every"
"special"
)

usevoice="alex"
pausebetweenwords=7

## shuffle up the words
shuffle

arraylength=${#array[@]}

say -v $usevoice "Spelling Test with " ${arraylength} " words."

for (( i=0; i<${arraylength}; i++ ));
do
  if ! (( (i+1) % 6 )); then
    say -v $usevoice "Child name you are doing great"
  fi
  
  say -v $usevoice "spell ${array[$i]}"
  sleep $pausebetweenwords 
done

say -v $usevoice "that was the last word. great job!"