Shell Programming and Scripting

echo Y | <your script>

$ cat myScript
printf "Type y to begin: "
read BEGIN
printf "Pick a number between 1 and 100: "
read Q1
echo
printf "What is the capital of Egypt?: "
read Q2
echo
printf "Who won the 2010 FIFA World Cup?: "
read Q3
echo

echo "You answered:"
echo "  Pick a number: $Q1"
echo "  Capital of Egypt: $Q2"
echo "  World Cup: $Q3"
$ 
$ cat answers.txt
y
40
Cairo
Spain
$
$ cat answers.txt | ./myScript 
Type y to begin: Pick a number between 1 and 100: 
What is the capital of Egypt?: 
Who won the 2010 FIFA World Cup?: 
You answered:
  Pick a number: 40
  Capital of Egypt: Cairo
  World Cup: Spain
$

cat yourScript.sh

#!/bin/ksh

YTEXT="Do you want to proceed? " .  _userInput.sh
if [[ $opt = YES ]]
then
  <YOUR CODE>
fi
 
cat userInput.sh
#! /bin/ksh

echo "$YTEXT \c"
while true
do
  echo "Y or N:  \c"
  read opt
  
  case "$opt" in
    y* | Y*) opt=YES; break;;
    n* | N*) opt=NO;  break;;
  esac
  echo "Please respond with \c"
done