[R] R more Unix-like?

[Gabor Grothendieck]

Try this on Windows or the corresponding ls command on UNIX:

  readLines(pipe("cmd /c dir"))

On 5/10/06, Robert Citek <rwcitek at alum.calberkeley.org> wrote:
>
> Is there a way to stream data into R so that it can be used in a
> command pipe?
>
> Most Unix commands read data via standard input and read the script
> from the command line.  For example:
>
>   $ seq 1 10 | sed -e 's/^/foo /'
>   $ seq 1 10 | awk '{print "foo " $1}'
>   $ seq 1 10 | perl -lane 'print "foo $F[0]"'
>
> In contrast, R seems to read the script from standard input, thereby
> preventing streaming data through that file descriptor.  In reading
> through the man page for R and R-intro.html I haven't seen anything
> obvious to change this behaviour.  Is it possible?
>
> Pointers to references would be greatly appreciated.
>
> Regards,
> - Robert
> http://www.cwelug.org/downloads
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