I first saw this in college - on a real piece of paper - but then hadn't seen this in years. It popped up from fortune when I logged in this morning:

"No program is perfect,"
They said with a shrug.
"The customer's happy--
What's one little bug?"

But he was determined,
The others went home.
He dug out the flow chart
Deserted, alone.

Night passed into morning.
The room was cluttered
With core dumps, source listings.
"I'm close," he muttered.

Chain smoking, cold coffee,
Logic, deduction.
"I've got it!" he cried,
"Just change one instruction."

Then change two, then three more,
As year followed year.
And strangers would comment,
"Is that guy still here?"

He died at the console
Of hunger and thirst.
Next day he was buried
Face down, nine edge first.

And his wife through her tears
Accepted his fate.
Said "He's not really gone,
He's just working late."

-- The Perfect Programmer