gistfile1.txt

To use the default location, "/usr/local/narwhal", just hit enter/return, or enter another path:

Downloading Narwhal from "http://github.com/280north/narwhal/zipball/master"...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  120k  100  120k    0     0  55241      0  0:00:02  0:00:02 --:--:--  126k
Installing Narwhal...
Archive:  /tmp/narwhal.zip
  End-of-central-directory signature not found.  Either this file is not
  a zipfile, or it constitutes one disk of a multi-part archive.  In the
  latter case the central directory and zipfile comment will be found on
  the last disk(s) of this archive.
unzip:  cannot find zipfile directory in one of /tmp/narwhal.zip or
        /tmp/narwhal.zip.zip, and cannot find /tmp/narwhal.zip.ZIP, period.
Error: problem running boostrap.sh. Exiting.