if [[ -e /etc/caldav-htpasswd ]] && getent group www-data &>/dev/null; then
s chgrp www-data /etc/caldav-htpasswd
fi
if [[ -e /var/lib/znc ]] && getent group znc; then
s chown -R znc:znc /var/lib/znc
fi
if [[ -e /etc/caldav-htpasswd ]] && getent group www-data &>/dev/null; then
s chgrp www-data /etc/caldav-htpasswd
fi
if [[ -e /var/lib/znc ]] && getent group znc; then
s chown -R znc:znc /var/lib/znc
fi