would be nice ...
On Tue, Feb 24, 2004 at 10:07:32AM +0100, Martin Maechler wrote:
"Jan" == Jan de Leeuw <deleeuw at stat.ucla.edu>
on Tue, 24 Feb 2004 00:52:51 -0800 writes:
Jan> if R had something like
>> python -c "print(sum([1,2,3]));print(3*2)"
Jan> 6 6
Jan> but I guess the only way to do this is by writing the
Jan> string to a tmp file and then doing something like "R
Jan> CMD BATCH --quiet" on the tmp file
Well, a bit better (with a shell prompt "%") is
% echo "print(sum(c(1,2,3)));print(3*2)" | R --quiet --vanilla
> print(sum(c(1,2,3)));print(3*2)
[1] 6
[1] 6
>
or (slightly nicer)
% echo "sum(c(1,2,3)); 3*2" | R --quiet --vanilla
> sum(c(1,2,3)); 3*2
[1] 6
[1] 6
>
but it still echoes the input by default
Not with --slave: edd at chibud:~> echo "sum(c(1,2,3)); 3*2" | R --slave [1] 6 [1] 6 I would be pretty trivial to filter the "^[1] " out. Dirk
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