Output
$ perl examples/bc/bc4.pl
1..5
ok 1 - warranty
ok 2 - echo expression
ok 3 - input
ok 4 - data received
ok 5 - correct response
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$ perl examples/bc/bc4.pl
1..5
ok 1 - warranty
ok 2 - echo expression
ok 3 - input
ok 4 - data received
ok 5 - correct response