Oftentimes I want to make outputs to be displayed on the R console.
However, after I execute a program with a sink command in it the R console
becomes unresponsive. Meaning that the following occurs in R console:

> source("Program_containing_sink.R")
> a<-1
> a
>
>sink()
>a
>

R help says that sink() will bring output back to the console but i's not
happening.  Restarting R fixes the problem. This has been driving me nuts
and I'm sure there's an easy answer but after a week I'm still not sure.  R
2.15.1 GUI 1.52  is what's being used.

Thanks for any help

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