A script to remove gentoo atoms that have no omitted version. Should prevent the system removing a package that has no alternative version.

depclean.sh

#!/bin/bash

# A script to remove gentoo atoms that have no omitted version. Should prevent the system removing a package that has no alternative version.

readarray -t pkg < <(emerge -av --pretend --quiet --depclean | awk '/^[a-z].*:\s[0-9].*/{if ($NF != "none") { gsub(":","-"); print $1$2 } }')

sudo emerge -av --unmerge $(echo ${pkg[*]})