source(FILE, print.eval = TRUE)
Hope this helps & good work on getting the next round of R enthusiasts
up and going!
Michael
On Thu, Oct 13, 2011 at 8:59 PM, Stephen Davies <step...@umw.edu> wrote:
> (Apologies for the n00b question.)
>
> Hello, I'm teaching R in an introductory programming course and am walking
> the students through the baby steps. One thing I'd like to be able to do is
> have them copy the commands they type at the R console into a text file,
> and then execute the text file to see the results. For instance, if their
> session looks like this:
>
> 3+4
> [1] 7
> factorial(10)
> [1] 3628800
>
> I'd like for them to create a text file called "myCommands.R" with contents:
>
> 3+4
> factorial(10)
>
> and then run it at the R console using source("myCommands.R"), and see this
> output:
>
> [1] 7
> [1] 3628800
>
> This would help with many things, including my grading their lab work.
>
> Unfortunately, if I/they do this using the source() command as it stands,
> the result is of course no output at all, because nothing is being
> explicitly printed (with print() or cat() command, for example).
>
> My question is: is there a command to do what I'm trying to do here? Is
> there some kind of "verbose source" command (or mode) that will run a .R
> script/program/file and print all the results from it exactly as if those
> commands had been entered at the console?
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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