#!/bin/sh -x DEFGROUPS="adm,dialout,cdrom,audio,dip,video,plugdev,bluetooth,pulse-access,sudo,systemd-journal,netdev,staff" IFS=',' for group in $DEFGROUPS; do /bin/egrep -i "^$group" /etc/group if [ $? -eq 0 ]; then echo "Group '$group' exists in /etc/group" else echo "Group '$group' does not exists in /etc/group, creating" groupadd $group fi done unset IFS echo "I: add linaro to ($DEFGROUPS) groups" usermod -a -G ${DEFGROUPS} linaro