Yes. If I manually (using the extract feature of cPanel) extract the tar and then run the (via cron) script

#!/bin/bash

echo cd ~/.cpan/build/GAAS-fwrgdL/MIME-Base64-Perl-1.00
cd ~/.cpan/build/GAAS-fwrgdL/MIME-Base64-Perl-1.00

echo perl Makefile.PL -INSTALL_BASE=~
perl Makefile.PL INSTALL_BASE=~

echo make install
make install
[download]

which gives the following email:

cd /home/washburn/.cpan/build/GAAS-fwrgdL/MIME-Base64-Perl-1.00
perl Makefile.PL -INSTALL_BASE=~
Writing Makefile for MIME::Base64::Perl
make install
Manifying blib/man3/MIME::QuotedPrint::Perl.3pm
Manifying blib/man3/MIME::Base64::Perl.3pm Appending installation info
+ to /home/washburn/lib/perl5/x86_64-linux-thread-multi/perllocal.pod
No virus found in this incoming message.
[download]

The problem was I was not pointing to the tar program. See my response below. I hope my problem here will help others in the future.