Shell Programming and Scripting

print "Please enter test case name"
read testcasename
echo $testcasename
while [ $CHOICE -nq N ];
do
print "Please enter in field 1 Version"
read version
if [[ "${#version}" -lt 4 ]] ; then
print -n $version >> $testcasename
else
print "too many bytes"
print "Do you want to continue Y/N?"
read CHOICE
fi
 
print "Pleasent in field 2 Date"
read date
if [[ "${#date}" -lt 9 ]] ; then
print -n $date >> $testcasename
else
print "too many bytes"
print "Do you want to continue Y/N?"


fi
exit

#!/bin/bash

read -p "Please enter test case name : " testcasename

while true
do
  read -p "Please enter in field 1 Version : " version
  if [[ "${#version}" -lt 4 ]] ; then
    echo  $version >> $testcasename
  else
    read -p "Invalid Data. Do you want to continue Y/N? : " CHOICE
    test "$CHOICE" = "N" && break
  fi
  read -p "Please enter date : " DATE
  if [[ "${#DATE}" -lt 9 ]] ; then
    echo  $date >> $testcasename
  else
    read -p "Invalid Data. Do you want to continue Y/N? : " CHOICE
    test "$CHOICE" = "N" && break
  fi
  read -p "Do you want to continue Y/N? : " CHOICE
  test "$CHOICE" = "N" && break
done

 
before
while [ $CHOICE2 -ne N ];

after
while [ $CHOICE2 != "N" ]
 
Also you may want to use typeset so the user does
not need worry about entering the respone in the
the correct case

$CHOICE -ne N

read CHOICE2

done

fi