echo 1>&2 "$PRG: /dev/nvram: Permission denied"
echo 1>&2 "$PRG: Warning: nvram will not be updated"
nonvram=1
+ elif ! (dd if=/dev/nvram of=/dev/null bs=1 count=10 > /dev/null 2>&1) ; then
+ echo 1>&2 "$PRG: /dev/nvram: No such device"
+ echo 1>&2 "$PRG: Warning: nvram will not be updated"
+ nonvram=1
else
nonvram=1
echo 1>&2 "$PRG: Warning: Incompatible version of \`nvsetenv', nvram will not be updated"