--2010-06-03 04:43:08--  http://www.cis.upenn.edu/~bcpierce/unison/download/releases/unison-2.27.57/unison-2.27.57.tar.gz
Resolving www.cis.upenn.edu... 158.130.69.163
Connecting to www.cis.upenn.edu|158.130.69.163|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 617253 (603K) [application/x-gzip]
Server file no newer than local file `./unison-2.27.57.tar.gz' -- not retrieving.