Shell Programming and Scripting

#!/usr/bin/sh
##Take input from the user
c=d=e=0
while [ "$host_name" != done ] 
do
  echo "Please enter the host_name"
  read host_name
  if [ "$host_name" = done ] ; then break; fi
  store_hostname[$c]=$host_name
  c=$(( c + 1 ))
#  echo "Please enter the username"
#  read username
#  store_username[$d]=$username
#  d=$(( d + 1 ))
   echo "Please enter the password"
   read password
   store_password[$e]=$password
   e=$(( e + 1 ))
done
echo ${store_hostname[0]} 
len=${#store_hostname[*]}
echo $len
for (( i=0; $i < $len; i++ ))
do
#ssh -q root@${store_hostname[$i]} mkdir temp
scp -r /root/temp root@${store_hostname[$i]}:/root/
ssh -q root@${store_hostname[$i]} /root/temp/temp1.sh
done