... and the missing newline explains exactly what happened:
The browser treated everything up to the first newline as a content-type, didn't recognize it, and therefore opened as "save as" dialog instead of displaying it.

And it had no filename specification, so it used the script name from the URL.

In reply to Re^3: Output CSV-file, can't get filename recognized. by moritz
in thread Output CSV-file, can't get filename recognized. by punch_card_don

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