+realpath() {
+ OURPWD="$PWD"
+ cd "$(dirname "$1")"
+ LINK=$(readlink "$(basename "$1")")
+ while [ "$LINK" ]; do
+ cd "$(dirname "$LINK")"
+ LINK=$(readlink "$(basename "$1")")
+ done
+ REALPATH="$PWD/$(basename "$1")"
+ cd "$OURPWD"
+ echo "$REALPATH"
+}
+