This is Perl module Iterator::ToArray. INSTALLATION Iterator::ToArray installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan Iterator::ToArray Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION Iterator::ToArray documentation is available as in POD. So you can do: % perldoc Iterator::ToArray to read the documentation online with your favorite pager. Yoshihiro Sasaki