You can scroll any reasonable terminal with shift-PgUp/shift-PgDn. Or if you run your terminal with GNU screen, C-a ESC makes it scrollable a line at a time using the arrow keys. And finally, if you want to log the output from the CPAN shell, pipe through tee.
Re: When cpan returns the dreaded "won't install without force"
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GNU screen isn't available for Windows, we're told the user is using the "command prompt" so they're probably using a Microsoft Windows machine, thought obviously it would be nice had they explicity stated the OS, rather than have people read between the lines. Every terminal I know of has a scroll back limit, so being able to page/scroll up/down is may be of little consequence given that you may be looking for something outside this configurable range, while it's wise to have this configured to sensible size. For Windows, by default the "command prompt" doesn't store a very large history at all. I agree that the sensible solution is to log this to a file yourself, or use cpanp or alike, which does this automatically.
DrHyde, I know scrolling up and down the Windows command prompt window is easy, however selecting the text to copy and paste to a bug report is not easy. If I have to select pages upon pages of text to copy to a bug report, I can easily get lost (especially when the lines scroll to the right). If I have the report in a nice text file which I can open in a text editor, submitting bug reports would be so much easier. As far as I can tell, I can not wrap lines in my command prompt window.