[R] Converting AIS Message to Number

Bert Gunter bgunter@4567 @end|ng |rom gm@||@com
Mon Dec 23 20:06:50 CET 2019

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 that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Mon, Dec 23, 2019 at 10:14 AM Paul Bernal <paulbernal07 using gmail.com> wrote:

> Dear friends,
> Hope you are doing great. I would like to process an AIS file (which comes
> in either a .txt or .csv format). The AIS file is contained in a specific
> path, say C:/AISFiles/File.txt. The file contains messages like the
> following:
> !AIVDM,2,1,2,A,5EPtgd42CRtIADNU using N0<E98v1 using TM8F222222220m1HB586R
> `0?0kk3k`40CP,0*2D,1532995201
> (all of this is a single message).
> Is there a way to make R automatically retrieve the latest file saved on
> the path, take each message and convert it to a number?
> Best regards,
> Paul
>         [[alternative HTML version deleted]]
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