Your printing the headers after printing the content. Put print $q->header("image/png"); before the open $station line. And remove the last line - there is no point to printing $station to STDOUT ($station is is opened for writing, not reading)

updated: rephrased for clarity

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re: gnuplot output to browser by Joost
in thread gnuplot output to browser by kryberg

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