On 27.04.2011 15:16, 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?
See ?on.exit:
dummy <- function()
{
old.options <- options(error=dummy1())
on.exit(options(old.options))
....
}
Uwe Ligges
Cheers
Jannis
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and provide commented, minimal, self-contained, reproducible code.
