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These are the file test operators (which are different from the command line switches that look the same). They're documented in perlfunc. In short, -d tests if its argument is a directory, and -e tests if its argument exists. In your code, it looks like the if() ensures that there is a true value for those hash keys and that the file or directory does not already exist. The next part probably creates them.
-- brian d foy <bdfoy@cpan.org> In reply to Re: "-e" and "-d" switches
by brian_d_foy
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