#! /bin/bash
declare -a hosts=("cowee" "iotla" "charlotte" "arden")
for host in "${hosts[@]}"
do
    echo $host
done

for (( i=0; i<${#hosts[@]}; ++i ))
do
    echo ${hosts[$i]}
done


# should test for multiple dots
for (( i=0; i<${#hosts[@]}; ++i ))
do
    hosts[$i]=${hosts[$i]}.cs.unca.edu
done

echo ${hosts[@]}