Yes, that is true! I did not consider that case, then I will send a V2 soon.
On 23 November 2015 at 09:42, Ming Liu <liu.ming50@gmail.com> wrote:
+[ -w /etc/timestamp ] && date -u +%4Y%2m%2d%2H%2M%2S > /etc/timestamp
This would fail if /etc/timestamp doesn't already exist. I'm tempted to say you should just 2>/dev/null so it tries and the error is hidden in case /etc/timestamp is deleted on a writable file system.
Ross