I'd suggest (if you can) using Apache's UNIQUE_ID environment variable: 
my $unique_filename="/home/web/user-".$ENV{UNIQUE_ID};

[download]
This variable will remain the same throughout an entire session and unique for each user.

In reply to Re: Managing Concurrent CGI.pm Query Objects by mr.nick
in thread Managing Concurrent CGI.pm Query Objects by sierrathedog04

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