Shell script sort given list of numbers using bubble sort

clear
echo "Enter the number of numbers :"
read limit
count=1
while [ $count -le $limit ]
do
eval read x$count
count=`expr $count + 1`
done
i=1
while [ $i -le $limit ]
do
eval xval = "\$x$i"
j=`expr $i + 1`
s1=`expr $limit -1`
while [ $j -le $s1 ]
do
eval xval="\$x$j"
k=`expr $j + 1`
eval yval="\$x$k"
if [ $xval -gt $yval ]
then
eval x$j ="$yval"
eval x$k="$xval"
fi
j=`expr $j + 1`
done
i=`expr $i +1`
done
count =1
echo " The sorted array is "
while [ $count -le $limit ]
do
eval echo "\$x$count"
count=`expr $count + 1`
done