?sys.call ## and friends.
-- Bert
On Wed, Oct 6, 2010 at 8:49 AM, Ralf B <ralf.bie...@gmail.com> wrote:
> Here the general (perhaps silly question) first: Is it possible for a
> script to find out if it was sourced by another script or run
> directly?
>
> Here a small example with two scripts:
>
> # script A
> print ("This is script A")
>
> # script B
> source("C:/scriptA.R")
> print ("This is script B")
>
> I would like to modify script A in a way so that it only outputs 'This
> is script A' if it was called directly, but keeps quiet in the other
> case.
>
> In addition to that, is it possible to access the stack of script
> calls from the environment?
>
> Ralf
>
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> and provide commented, minimal, self-contained, reproducible code.
>
--
Bert Gunter
Genentech Nonclinical Biostatistics
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