config() { NEW="$1" OLD="$(dirname $NEW)/$(basename $NEW .new)" # If there's no config file by that name, mv it over: if [ ! -r $OLD ]; then mv $NEW $OLD elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then # toss the redundant copy rm $NEW fi # Otherwise, we leave the .new copy for the admin to consider... } # Keep same perms on rc.exim.new: if [ -e etc/rc.d/rc.exim ]; then cp -a etc/rc.d/rc.exim etc/rc.d/rc.exim.new.incoming cat etc/rc.d/rc.exim.new > etc/rc.d/rc.exim.new.incoming mv etc/rc.d/rc.exim.new.incoming etc/rc.d/rc.exim.new fi config etc/rc.d/rc.exim.new config etc/exim/exim.conf.new