It is very likely that your web server is configured to run your script as a user who doesn't have permission to write to files. Check your web server logs for the error message you are printing, or use use CGI::Carp 'fatalsToBrowser'; to redirect the error messages to your browser.

In reply to Re: Cannot open file for appending by jasonk
in thread Cannot open file for appending by Doe-Eyed Innocent

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