[R] interactive session

[Phil Spector]

If you don't mind the prompt of 1:, I think
scan will do what you want:

a = scan(n=1,what='',quiet=TRUE);b = paste("t",a,sep='');
1: ada
> b
[1] "tada"

 					- Phil Spector
 					 Statistical Computing Facility
 					 Department of Statistics
 					 UC Berkeley
 					 spector at stat.berkeley.edu


On Thu, 30 Sep 2010, Peter Dalgaard wrote:

> On 09/30/2010 03:33 PM, Pam wrote:
>> Thanks Niels but it won't do.. please copy and paste the 2 lines below together
>> to your console in order to see what I mean:
>>
>> cat("?"); a<-readLines(n=1)
>> b<-paste("t",a,sep="")
>>
>> anyone / any idea to overcome this problem?
>>
>> Best,
>> Fatih
>>
>
> You might want to source() a file with those lines rather than pasting
> them to the console. There's just no way you can retroactively insert
> text between two already submitted lines.
>
> You can do things like this, though
>
> {cat("?"); a<-readLines(n=1)
> "hey"
> b<-paste("t",a,sep="")}
>
> However, there's a catch
>
>> {cat("?"); a<-readLines(n=1)
> + "hey"
> +  b<-paste("t",a,sep="")}
> ?ada
>> b
> [1] "tada"
>
> Notice that the "hey" doesn't print.
>
> -- 
> Peter Dalgaard
> Center for Statistics, Copenhagen Business School
> Phone: (+45)38153501
> Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com
>
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