Hi Paul,
For your first question:
max(file.info(".")$mtime)
[1] "2019-12-21 21:04:19 AEDT"
As for the second, I didn't know what an AIS file was, so I googled
it. I still don't know, so I don't have a clue how to turn a string
like that into a number.
Jim
On Tue, Dec 24, 2019 at 5:14 AM Paul Be
The "digest" package might be what you're looking for: messages --> numerics
Or perhaps you want to create a hash in R. Search on "hashing in R" or
similar for info on this.
See ?file.info for obtaining file info, including date/time info.
Bert Gunter
"The trouble with having an open mind is
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