install dependencies for a debian package via apt-get/cache (requires sh or bash, and of course, dpkg and apt tools)

install-depends.sh

#!/bin/bash
# install-depends.sh
# install dependencies example
# by: Gabriel T. Sharp <osirisgothra@hotmail.com>
#     osirisgothra.github.com
if [[ -z $1 ]]; then
  echo -ne "Enter a package name: "
  read
  set $REPLY
fi
if [[ $1 ]]; then
  apt-get install --yes --no-remove `apt-cache depends --important "$1" | grep -Po '(?<=Depends: )[^\<>]*$' | tr '\n' ' '`
  echo "apt-get remove --yes --no-remove `apt-cache depends --important "$1" | grep -Po '(?<=Depends: )[^\<>]*$' | tr '\n' ' '`" > uninstall-$1-.sh
else
  echo "not installing a blank entry"
fi

This is the example file, pertaining to this question on ServerFault:
http://serverfault.com/questions/577942/install-only-dependencies-of-a-given-package-in-debian-or-ubuntu-apt