Write a shell script to copy the source file to the target file.

echo -n “Enter soruce file name : “
read src
echo -n “Enter target file name : “
read targ
if [ ! -f $src ]
then
      echo “File $src does not exists”
      exit 1
elif [ -f $targ ]
then
      echo “File $targ exist, cannot overwrite”
      exit 2
fi
# copy file
cp $src $targ
# store exit status of above cp command. It is use to
# determine  if shell command operations is successful or not
status=$?
if [ $status -eq 0 ]
then
      echo ‘File copied successfully’
else
      echo ‘Problem copuing file’

                  fi