10045 $ perl -MTAP::Harness -e '$h = TAP::Harness->new(); $h->runtests("./11138492.pl");'
./11138492.pl .. ok   
All tests successful.
Files=1, Tests=1,  0 wallclock secs ( 0.06 usr  0.00 sys +  0.04 cusr  0.00 csys =  0.10 CPU)
Result: PASS
10046 $ perl -MTAP::Harness -e '$h = TAP::Harness->new(); $h->runtests("./11138492.pl");'
./11138492.pl .. All 1 subtests passed 

Test Summary Report
-------------------
./11138492.pl (Wstat: 0 Tests: 1 Failed: 0)
  Parse errors: No plan found in TAP output
Files=1, Tests=1,  0 wallclock secs ( 0.06 usr  0.01 sys +  0.04 cusr  0.00 csys =  0.11 CPU)
Result: FAIL