apt-get packages without sudo and use by overriding LD_PRELOAD or LD_LIBRARY_PATH

localaptget.sh

## https://askubuntu.com/a/423555/625555
## There is also libapt, and python-dpkg and other packages that 
## can talk to ubuntu package managers.
name=libqt5sql5
CMDPFX=echo
DEPS="$(apt-cache depends  $name | grep Depends |  awk '{print $2}')"
i=0
while [[ $i < ${#DEPS} ]] ; do 
  i=$(( i + 1 ))
  # dpkg -s libpng16-16 | grep Status | wc -l
  if [[ $(dpkg -l | grep libc6 | wc -l) == 0 ]]; then
    DEPS="$DEPS"" $(apt-cache depends  $name | grep Depends |  awk '{print $2}')"
  fi
done
i=${#DEPS}
mkdir tmp
while [[ $i >= 0 ]]; do
    i=$(( i - 1 ))
    name=${DEPS[i]}
    $CMDPFX aptitude download $name
    # dpkg -i --force-not-root --root=$HOME package.deb
    $CMDPFX dpkg -x ${name}*.deb ./
    ## cp -R usr/ tmp
    $CMDPFX cp -R usr/* tmp/
  fi
fi