On Wed, Feb 24, 2016 at 10:40 AM, Suharto Anggono Suharto Anggono via
R-devel <r-devel@r-project.org> wrote:
> R help on 'strptime' has the following in "Details" section.
> Specific to R is ‘%OSn’, which for output gives the seconds truncated to ‘0
> <= n <= 6’ decimal places (and if ‘%OS’ is not followed by a digit, it uses
> the setting of ‘getOption("digits.secs")’, or if that is unset, ‘n = 3’).
>
> In reality, for output, if '%OS' is not followed by a digit and
> getOption("digits.secs") is unset, the output has no fractional part, as if n
> = 0 is used.
>
That's because n = 0 _is_ used, and appears to have always been the
default (since the logic was added in r37395). So this appears to be
a typo in the documentation (the comment about "n=3" when digits.secs
is unset was added in r37439).
>> getOption("digits.secs")
> NULL
>> z <- strptime("20/2/06 11:16:16.683", "%d/%m/%y %H:%M:%OS")
>> format(z, "%OS")
> [1] "16"
>
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