check_world_file

#!/usr/bin/env bash

while read i ; do \
        if [[ -n "$(qdepends -Q $i)" ]]; then \
                echo '' ; echo 'checking '$i ; 
                if [[ -n "$(emerge -p --quiet --depclean $i)" ]]; then \
                        echo $i' needs to stay in @world'
                else
                        echo $i' can be deselected' 
                        echo $i >> /tmp/deselect
                fi
        fi 
done < /var/lib/portage/world