You reset $hdr, but you still keep the filehandle $fh open to it. I'm surprised that the results are rather benign.

If you want to modify $hdr while still keeping the filehandle open, I suggest that you manipulate $fh instead:

seek $fh, 0, 0;
truncate $fh;

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In reply to Re: WWW::Curl mysterious header values persisting by Corion
in thread WWW::Curl mysterious header values persisting by mje

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