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Re: st: User input from shell script
From
Sergiy Radyakin <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: User input from shell script
Date
Fri, 15 Nov 2013 15:37:54 -0500
On Fri, Nov 15, 2013 at 9:28 AM, Thomas, Anthony
<[email protected]> wrote:
> Thanks Sergei and Roberto,
>
> These both sound like good ideas. I had hoped there was a way to fool
> R into thinking the Stata command line was stdin by redirecting stdin
> to the Stata console or by opening a connection directly between R and
> Stata. Are either of those possible? A quick look at the manual
the short answer is NO.
the long answer is, probably, YES. But you would probably need a
custom version of R (open source
http://cran.r-project.org/sources.html, good luck...) and a custom
version of Stata (contact StataCorp regarding NBS).
I know people use Stata to perform computations for their program as a
library, but not the other way around.
Also, if you succeed, you will not only "fool R into thinking..." but
also create a lot of confusion among the users: why did my action in
one program caused something in another? How do I undo that? What
happens if I close one?
Best, Sergiy
> section on 'Interacting with other programs' leads me to believe no
> but I may be missing something. I think passing arguments via a macro
> or log file would work also though. Thanks again for your help.
>
> Best,
>
> Anthony
>
> On Thu, Nov 14, 2013 at 7:03 PM, Roberto Ferrer <[email protected]> wrote:
>> I'm not sure I understand but can you not have R intermittently
>> read/parse a -log- file produced by Stata?
>>
>> On Thu, Nov 14, 2013 at 5:45 PM, Thomas, Anthony
>> <[email protected]> wrote:
>>> Hi Statalist,
>>>
>>> I am trying to write an ado file (Stata 11 for Linux) that calls an R
>>> program which requests user input from "stdin" - in this case the
>>> system command line. So a simplified example would be:
>>>
>>> shell Rscript rProgram.r ...
>>>
>>> The R program will periodically pause and request input from the user
>>> before continuing. For those familiar with R, the actual call in the
>>> program is: readLines(file('stdin'), 1).
>>>
>>> However, when the R program is called from Stata, R does not recognize
>>> the Stata command line as a source of input and skips the steps of
>>> asking for user input. Is there any way to pipe the output of the
>>> Stata command line to R, or to the system command line? I hope this
>>> question makes some sense...
>>>
>>> Thanks,
>>>
>>> Anthony
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