[R] possibility to determine whether a script is "sourced"?

Greg Snow Greg.Snow at imail.org
Wed Jun 23 19:31:53 CEST 2010

Look at the "interactive" function, it may do what you want.

Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Jannis
> Sent: Wednesday, June 23, 2010 10:07 AM
> To: r-help at r-project.org
> Subject: [R] possibility to determine whether a script is "sourced"?
> Dear R community,
> I am running some rather large scripts either by executing single
> blocks of them separately or by executing them at once via
> source('script.R')
> Now there is a lot of code in those scripts that I only want to run
> when I run them manually, so I wonder whether there is any way to
> automatically find out whether the script is run manually stepwise or
> whether it is run via source. Is there such a possibility?
> Thanks a lot for your help!
> Jannis
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