OST: Insertion Sort

#!/bin/bash
read -a ar
l=${#ar[*]}
temp=0
for(( i=0; i<$l; i++ ))
do
for(( j=i; j>0; j-- ))
do
if [ ${ar[j-1]} -gt ${ar[j]} ]
then
temp=${ar[j-1]}
ar[j-1]=${ar[j]}
ar[j]=$temp
fi
done
done

echo ${ar[*]}