SHELL

apt download with dependencies

apt-get download $(apt-rdepends <package>|grep -v "^ " |grep -v "^libc-dev$")

apt download with dependencies

PACKAGES="wget unzip"
apt-get download $(apt-cache depends --recurse --no-recommends --no-suggests 
  --no-conflicts --no-breaks --no-replaces --no-enhances 
  --no-pre-depends ${PACKAGES} | grep "^w")