You mean a page in shtml (whatever that is), has a form, which when filled out posts the data to your perl program? What does the "authentication" then? You can store the variables that way, but you can't retrieve them, only perl can retrieve them, so only perl can produce a page using your variables.
It's not easy to just add a CGI script to an existing set of HTML pages, just because you decide you need it. You need to redesign. It would be a lot easier if you created your pages with the perl CGI program too.
Update: Of course, to read the cookie later, after it is set, the CGI will also need to be one that can access the HTTP headers directly. In short, you cannot run CGI scripts like that, so please rethink your program/site.
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i am very sorry to both castaway and you i think i am not able to exxplain myself properly . from now on i will try to reprsent my views in such a way that i can get quick and related answer which will save time for both of us sorry i hope not to repeat it again
1. can i call a cgi program from within another cgi program
2. what are the things i have to take care of
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You can call a CGI program from within another CGI program (take a look at do), but you usually don't want to - since normal CGI programs set up a response and parse input so you have to be really careful to not entangle the output and you'd be parsing the input twice for no good reason.
IMO, if you're going this route, you'd be much better off using CGI::Application combined with CGI::Application::Session. That'll do 3 things: it'll set up a session automatically, and it'll help you do multiple actions in a single script in a reasonably consistent and easy to follow manner, and it'll make it very easy to use templates.
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