link=`readlink "${1}" || exit` ;
if [ -e link ] ; # already exists ?
then echo "$link" ; # echo it as is
# otherwise expand variables and sub-scripts
else eval echo "\"${link}\"" |
# tilde to tilde
{ local h ; h=~ ; sed "s|~|$h|g" ; } ;
# ... or tilde to $HOME
# sed "s|~|$HOME|g" ;
fi ;
