One suggestion that could solve this mystery:
Try to catch the error of close(BACKUP): 
close(BACKUP) or show_error ("error closing [$index_backup]: $!");

[download]
It is generally a good idea to check even close for errors.

---- kurt

In reply to Re: Re: Re: CGI troubles - not writing to file by amphiplex
in thread CGI troubles - not writing to file by emilford

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