[GRLUG] Move mail from Time Machine to Thunderbird on Linux

[Grand Rapids Linux Users Group]

Just export the backup out of icloud ?

On Tue, Aug 23, 2022 at 12:22 PM Grand Rapids Linux Users Group <
grlug at grlug.org> wrote:

> As I recall, ICS files can just be (mostly) concatenated together to
> form a larger file you can import.  It's a pretty simple text format.
> You just have to remove the beginning and ending VCALENDAR blocks.
> Please keep in mind that this is completely untested, but something like
> this might work:
>
> echo "BEGIN:VCALENDAR" > combined-calendar.ics
> find . -name "*.ics" -type f -exec cat {} \; | grep -v "BEGIN:VCALENDAR"
> | grep -v "END:VCALENDAR" >> combined-calendar.ics
> echo "END:VCALENDAR" >> combined-calendar.ics
>
> Warm Regards,
> Kyle Maas
>
>
>
> On 8/21/22 14:14, Grand Rapids Linux Users Group wrote:
> > My Mac (early 2011; Sierra) hard drive finally died. So I'm stuck with
> > what I have on Time Machine as I move to Ubuntu and Thunderbird.
> > ("Inherited" the Mac from my wife when she got a new one in 2017.)
> >
> > When I look in Time Machine at Library/Calendars I see 8 "calendars"
> > directories with "Events" sub-directories. In four of them, the Events
> > sub-dir is empty.
> >
> > Three of the others just have a few events (11, 127, and 2300) linked
> > to a short time period (Jan 2019) or a certain day (16 Sept 2017 or
> > "Thu". The  8th calendar has 35K items from 16 Sept 2017 (when I
> > started using the "inherited" Macbook Pro) to the present.
> >
> > That's all background.
> >
> > Thing is, each item is an .ics. It looks to me like Thunderbird in my
> > new Ubuntu box treats each .ics as a separate calendar. So I don't
> > think I can just import 37,000+ "calendars" into Thunderbird.
> >
> > Apparently the "right" thing to do is to "export" from Mac calendar to
> > iCal which, I gather, creates a unified .ics one can import to
> > Thunderbird. That train has left the station with the death of my Mac
> > hard drive.
> >
> > I suppose I could grab my wife's Macbook Pro on which I have an
> > account and "restore" from Time Machine to Library on my account and
> > do the export. But she's kind of proprietary about her machine...
> >
> > Does anyone know of any other way to get from the 37,000 ics's in Time
> > Machine to Thunderbird on Ubuntu?
> >
> > Thanks.
> >
> >
>
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