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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