All right, Thanks for all people and help! Let me seriously read document of Perlref and try again. An additional problem is when I share a package with several application synchronously, whether result in conflect, one application is using the routine, another call it at the same time. System send a error message to the second application? I don't know clearly runing mechanism of Perl & CGI! Perhaps, you may kindly help me. thanks. Tobobo 中国寻呼网 千万里我追寻着你……… ------------------------------------------------ 中华电子邮局
