Re: Should -et be available?

[Andreas Kusalananda Kähäri]

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.


-- 
Andreas (Kusalananda) Kähäri
SciLifeLab, NBIS, ICM
Uppsala University, Sweden

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