Yes, it's cut and paste issue. After I take a closer look at the source code and concatenate the last portion of "ght" back up with "hei" as one word on one line. It works now.
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...$graph{'hei T ...$graph{'height'});
+ght'}); O
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Thanks for your verification, planetscape.
Comment on Re^4: csv2png.pl - Line Graphs from a CSV file