export PS1='$( readlink -f . )'

$ export PS1='$( readlink -f . ) $ '
/home/danielbeck $ ln -s /etc foo
/home/danielbeck $ cd foo
/etc $ _

/etc $ cd ..
/home/danielbeck $ _

function cd {
    if [[ $# -ne 1 ]] ; then
        builtin cd "$@"
    elif [[ "$1" = "-" ]] ; then
        builtin cd -
    else
        builtin cd "$( readlink -f "$1" )"
    fi
}

function cd {
    builtin cd "$@"
    builtin cd "$( readlink -f . )"
}

if [ "$color_prompt" = yes ]; then
        PS1='${debian_chroot:+($debian_chroot)}[33[01;32m]u@h[33[00m]:[33[01;34m]$(readlink -f w)[33[00m]$ '                                                                                                                else
    PS1='${debian_chroot:+($debian_chroot)}u@h:$(readlink -f w)$ '                                                  fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
        PS1="[e]0;${debian_chroot:+($debian_chroot)}u@h: $(readlink -f .)a]$PS1"
    ;;
*)
    ;;
esac