Debian/Ubuntu dselect question

[Net Llama!]

I'm trying to automate the installation of a .deb package over the network 
(without using apt-get).  The following command mostly works:
dselect install 
http://mirrors.kernel.org/ubuntu/pool/universe/t/tcsh/tcsh_6.14.00-7_i386.deb

except that I keep getting prompted with the following question:

Do you want to erase any previously downloaded .deb files? [Y/n]

How can I supress that question so that it doesn't require human 
intervention?

thanks

-- 
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Lonni J Friedman                        netllama at linux-sxs.org
LlamaLand				http://netllama.linux-sxs.org