[R] setting options only inside functions

[Jeremy Hetzel]

See ?on.exit

Jeremy


On Wednesday, April 27, 2011 9:16:13 AM UTC-4, Jannis wrote:
>
> Dear list members,
>
>
> is it possible to set some options only inside a function so that the 
> original options are restored once the function is finished or aborted due 
> to an error?  Until now I do something like:
>
>
> dummy=function()
> {
>   old.options=options(error=dummy1())
>
>   ....
>
>   options(old.options)
> }
>
>
> This works for most cases but when the function terminates because of an 
> error and its last command is not run, error=dummy1() still remains as an 
> option. Is there any way around this?
>
>
> Cheers
> Jannis
>
>
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