$ pm_1199760_parallel_forkmgr_link_checker.pl
Start link checking.
FAIL: http://hooboy.no-such-host.int/
PASS: http://us.a1.yimg.com/us.yimg.com/i/ww/m5v9.gif
  MOD: 1354074654
PASS: http://www.guardian.co.uk/
  MOD: 0
FAIL: http://www.ora.com/ask_tim/graphics/asktim_header_main.gif
PASS: http://www.yahoo.com
  MOD: 0
FAIL: http://www.pixunlimited.co.uk/siteheaders/Guardian.gif
Link checking completed.