[R] sink to file

[Thomas Lumley]

On Fri, 4 Feb 2005, Uwe Ligges wrote:

> Urs Wagner wrote:
>
>> Hello
>> 
>> I would like to use the source(command)  and write the output into a file.
>> I am using
>> 
>> outputfile=file("output.txt", open="wt")
>> sink(outputfile, type="output")
>> source("input.R", echo=TRUE)
>> 
>> Unfortunately the result has prompted commands. How can I avoid the 
>> prompted commands data(iris), ...?
>
> By *not* specifying echo=TRUE in source, but print()-ing the summary below.
>

There is also a print.eval= argument to source(), so that printing of the 
output can be controlled independently of echoing the input.

 	-thomas