Re: Should -et be available?

[Peng Yu]

On 5/24/20, Andreas Kusalananda Kähäri <address@hidden> wrote:
> On Sun, May 24, 2020 at 07:00:43PM -0400, Chris F.A. Johnson wrote:
>> On Sun, 24 May 2020, Peng Yu wrote:
>>
>> > I don't find a way to test whether two files are at the same time.
>> > Should there be a switch for this comparison given -nt and -ot are
>> > available? Thanks.
>> >
>> >       file1 -nt file2
>> >              True if file1 is newer (according to modification date)
>> > than file2, or if file1 exists and file2 does not.
>> >       file1 -ot file2
>> >              True if file1 is older than file2, or if file2 exists
>> > and file1 does not.
>>
>>  Use both tests. If it is neither older nor newer, then it is the same.
>
>
> Both tests would also be false if neither file exists, so you would have
> to supplement the tests with at least one -e test.

Yes. Therefore, a -et is better to be added. Otherwise, it can be
cumbersome to perform the equal timestamp test.

-- 
Regards,
Peng