Hi,
El El lun, 3 nov 2025 a las 21:07, Brian Inglis via tz <[email protected]>
escribió:
> On 2025-11-03 11:23, Paul Gilmartin via tz wrote:
> > On 11/2/25 03:11, Guillermo Rodriguez Garcia via tz wrote:
> >> So, the question: Any suggestions on how to filter timezones within
> >> each country to drop those that as of today are not relevant except
> >> for historical differences?
>
> Use zonenow.tab rather than zone{,1970}.tab.
No. This does not meet the first of my two requirements.
>
>
> > The last line of each timezone definition appears to contain the current
> > POSIX definition. (I don't know where this is documented.)
>
> "Version 2 format" in tzfile(5)
>
> > If those lines are identical, might zones be merged?
> That could be one possible approach, but would need to be checked.
> Another might be to compare all tzdata fields.
In any case this is the part of the problem I have solved already. The
missing bit is how to pick the winner when merging.
Guillermo
