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