Are you trying to get input from a CGI textbox? In that case, you need to use an HTML form with a textbox, and then use the
CGI.pm module to grab the input. There isn't a way to read directly into your CGI script as a user is typing.
While it's true that CGI scripts get POST input from STDIN, you can't just do what you're trying to do without setting up a textbox in an HTML form. And as for reading the input, don't do it yourself, use the CGI.pm module's param() method.
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