[Remind-Fans] Can remind "count" time?

[Sector11]

Awesome Larry thank you ...

If not one problem another.
Dateutils is installed but cannot find ddiff ????
-------------------
   $ apt list -a --installed dateutils
Listing... Done
dateutils/stable,now 0.4.3-1 amd64 [installed]

   $ ddiff 2020-02-19 2042-02-29 -f '%yy %ww %dd'
bash: ddiff: command not found

Thank you will ask questions in my Linux Forum
Bruce



On Wed, 19 Feb 2020 23:12:52 +0000
Larry Hynes via Remind-fans <remind-fans at lists.skoll.ca> wrote:

> Dianne Skoll <dianne at skoll.ca> wrote:
> > On 2020-02-18 09:36, Sector11 wrote:
> >   
> > > Bob (will be) 47 in 3m 6d
> > > Christmas (in) 5m 16d
> > > Debian 11 (in) 3y 5m 18d  
> > 
> > Remind does not have a built-in way to express a duration as X
> > years, Y months and Z days.  In general, there's no way to express a
> > time interval that way unless you know the duration in days and the
> > starting point (or equivalently, the ending point.)  
> 
> OT, but of possible help to the OP, I think ddiff(1) from
> dateutils[0] will do what's required e.g., the command:
> 
> 	ddiff today 2042-02-29 -f '%yy %ww %dd'
> 
> yields the result:
> 
> 	22y 1w 2d
> 
> It would probably be easy enough to get remind to RUN a suitable
> script or command, or incorporate it with remind's output in some
> way.
> 
> $ cat test.rem
> REM Feb 19 MSG Test
> 
> $ cat test.sh
> 
> #!/bin/sh
> 
> remind ~/test.rem
> 
> echo "Bob will be 47 in $(ddiff today 2042-02-29 -f '%yy %ww %dd')"
> 
> $ sh test.sh
> 
> Reminders for Wednesday, 19th February, 2020 (today):
> 
> Test
> 
> Bob will be 47 in 22y 1w 2d
> 
> [0]: https://www.fresse.org/dateutils/
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