root@Knoppix:~# wget http://debian.lcs.mit.edu/debian/pool/main/p/perl/perl_5.8.8-7etch6_i386.deb
--11:00:00--  http://debian.lcs.mit.edu/debian/pool/main/p/perl/perl_5.8.8-7etch6_i386.deb
           => `perl_5.8.8-7etch6_i386.deb'
Resolving debian.lcs.mit.edu... 128.30.2.36
Connecting to debian.lcs.mit.edu|128.30.2.36|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 3,599,182 (3.4M) [application/x-debian-package]

100%[=====================================================================================================>] 3,599,182    187.09K/s    ETA 00:00

11:00:19 (185.77 KB/s) - `perl_5.8.8-7etch6_i386.deb' saved [3599182/3599182]

root@Knoppix:~# dpkg -i perl_5.8.8-7etch6_i386.deb
(Reading database ... 110893 files and directories currently installed.)
Preparing to replace perl 5.8.8-7 (using perl_5.8.8-7etch6_i386.deb) ...
Unpacking replacement perl ...
dpkg: dependency problems prevent configuration of perl:
 perl depends on perl-base (= 5.8.8-7etch6); however:
  Version of perl-base on system is 5.8.8-7.
 perl depends on perl-modules (>= 5.8.8-7etch6); however:
  Version of perl-modules on system is 5.8.8-7.
dpkg: error processing perl (--install):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 perl
root@Knoppix:~#