--2010-06-02 21:13:58--  ftp://quatramaran.ens.fr/pub/ara/ocamldsort/ocamldsort-0.14.4.tar.gz
           => `./.listing'
Resolving quatramaran.ens.fr... 129.199.129.64
Connecting to quatramaran.ens.fr|129.199.129.64|:21... failed: Connection refused.
unlink: No such file or directory