apt-package-list

#!/usr/bin/env bash

dpkg --get-selections > "/tmp/installedPackages.txt"

while read -r pkg status; do
    if [[ "${status}" == "install" ]]; then
        pkgAdd+=" ${pkg}"
    else
        pkgRm+=" ${pkg}"
    fi
done < "/tmp/installedPackages.txt"

rm "/tmp/installedPackages.txt"

printf '#!/usr/bin/env bash\n\napt-get install %s' "${pkgAdd}" > "/tmp/installPackages"
printf '#!/usr/bin/env bash\n\napt-get install %s' "${pkgRm}" > "/tmp/removePackages"

printf '%s\n\n%s\n\n' "A shell script to install the packages can be found at:" "    /tmp/installPackages"
printf '%s\n\n%s\n\n' "A shell script to remove the packages can be found at:" "    /tmp/removePackages"