Apache 'ab' and gnuplot

[Neil Watson]

need some help with gnuplot. I've generated a plot file using Apache's 'ab' command:
/usr/sbin/ab -n 500 -c 100 -g test 10.0.1.1/login.html

When I try to view the file with gnuplot:

 $ gnuplot test

gnuplot> starttime      seconds ctime   dtime   ttime   wait
         ^
         "test", line 1: invalid command

What have I done wrong?
Sample from plot file:
starttime       seconds ctime   dtime   ttime   wait
Sat Mar 17 12:35:07 2007        1174149307470989        13      218     231     201
Sat Mar 17 12:35:07 2007        1174149307471227        14      234     248     218
Sat Mar 17 12:35:07 2007        1174149307471288        15      251     266     235
Sat Mar 17 12:35:07 2007        1174149307471355        18      265     283     249
Sat Mar 17 12:35:07 2007        1174149307471400        19      282     301     266
Sat Mar 17 12:35:07 2007        1174149307471490        23      295     318     280
Sat Mar 17 12:35:07 2007        1174149307471556        24      312     336     296
Sat Mar 17 12:35:07 2007        1174149307471619        25      329     354     312
Sat Mar 17 12:35:07 2007        1174149307471663        27      344     371     329

-- 
Neil Watson             | Debian Linux
System Administrator    | Uptime 18 days
http://watson-wilson.ca
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