# dhclient-script
# [...]
# set up snmpd configuration
test -n "$new_start_snmp" && \
sed -e "s,NETADDR/MASK,$netaddr/$new_subnet_mask,g" \
        /etc/ucdsnmpd.conf.default >/etc/ucdsnmpd.conf
# [...]
sed -e "s,KEYTABLE=.*,KEYTABLE=\"$LANG\",i"                     \
        -e "s,START_GPM=.*,START_GPM=$start_gpm,i"              \
        -e "s,GPM_.*,GPM_PARAM=\"-t $MP -m $MD\",i"             \
        -e "s,START_X=.*,START_X=\"$new_start_x\",i"            \
        -e "s,START_SNMP.*,START_SNMPD=$new_start_snmp,i"       \
        -e "s,START_SSHD.*,START_SSHD=$new_start_sshd,i"        \
        -e "s,DISPLAYM.*,DISPLAYMANAGER=$new_start_xdmcp,i"     \
        -e "s,DEFAULT_WM.*,DEFAULT_WM=\"$defaultwm\",i"         \
        -e "s,CRON.*,CRON=\"$new_start_cron\",i"                \
        -e "s,START_RWHOD.*,START_RWHOD=$new_start_rwhod,i"     \
        -e "s,START_LPD.*,START_LPD=\"$start_lpd\",i"           \
        -e "s,START_CUPS.*,START_CUPS=\"$start_cups\",i"        \
        -e "s,START_YPBIND.*,START_YPBIND=\"$start_nis\",i"     \
        -e "s,START_XNTPD.*,START_XNTPD=\"$start_xntp\",i"      \
        -e "s,XNTPD_I.*,XNTPD_INITIAL_NTPDATE=\"$initntp\",i"   \
        -e "s,VMWARE.*,VMWARE=\"$new_start_vmkernel\",i"        \
        /etc/rc.config.default | grep -v "#" >/etc/rc.config;
# [...]