[R] R interactive input like C++

Lukas Schefczyk Rlist at mschefczyk.de
Thu Apr 15 03:06:56 CEST 2010


?readline

HTH
Lukas Schefczyk
--------------------------------------------------
From: "??" <yuuniverse4444 at gmail.com>
Sent: Thursday, April 15, 2010 2:40 AM
To: "Erik Iverson" <eriki at ccbr.umn.edu>
Cc: <r-help at r-project.org>
Subject: Re: [R] R interactive input like C++

> Thank you for your reply.
>
> My objective is simple. Assume  I have a constant vector, say Vector. in 
> C++
> code, I want to do:
>
>
> int index;
> cout<<"Please enter the index of the element you want to look at Vector 
> :";
> cin>>index
> cout<<Vector[index]
>
>
> I want every user to be able to do this.
>
> As I understand, scan can only read data from a fixed file. Can I just get
> the input from the shell directly?
>
> Thanks
>
>
>
>
> 2010/4/14 Erik Iverson <eriki at ccbr.umn.edu>
>
>> ?? wrote:
>>
>>> Hi,
>>>
>>> Does R have some way to function as the cin object in C++
>>>
>>> like I generate a integer variable x in R, and I want the user to input
>>> the
>>> value x, like in C++
>>>
>>> cin>>x
>>>
>>>
>> See ?scan
>>
>
> [[alternative HTML version deleted]]
>
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