Magic portable indirect references for shell.

refs.sh

setref()
{
   if [ -n "$1" ]; then
       eval $1=$2
   else
       echo "Null parameter passed to this function"
   fi
}
deref()
{
   if [ -n "$1" ]; then
       localvar=$(eval echo \$$1)
       echo "${localvar}"
   else
       echo "Null parameter passed to this function"
   fi
}