Hai,
Upto my knowledge you have to use this line 
$upload_handle = $query->upload("data");

[download]
This will return file handle using which u can read and store the file on server. Later u can read and show it to user.

Check the following link for more info.Upload File


--Prasanna.K

In reply to Re: cgi upload files by kprasanna_79
in thread cgi upload files by Anonymous Monk

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