radical hacks Where does the Server think it is? Oftentimes, you will find yourself trying to install a CGI script in an environment in which the web server has performed a change root operation. Thus, what you see as the path to related files (such as temporary directories and files) may not be what the web server sees. As you might imagine, the result is that the web server cannot find the location or file you specified in the setup file.
In this cae, it is useful to use the Cwd library to find out what the web server thinks the current working directory is. here is a little script which does just that!