[datatable-help] data.table on the command line

[Matthew Dowle]

Maybe :

http://dirk.eddelbuettel.com/code/littler.html


On 10/09/13 13:03, statquant3 wrote:
> I would like to try to use data.table awesomeness on the command line.
> The usual use case is that you have a file and you would like to quickly
> create a summarized other file.
> Sometimes you wouldn't need to start R
>
> Something like (I'm just guessing)
>
> $) DTCMD myfile.csv "[1:5, list(a,b,c=sum(d),e=cumsum(f)),
> by=grp][,test:='hello']" > newFile.csv
>
> Would someone have an idea about this ?
>
>
>
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