Re: [R] setting options only inside functions

From: Jonathan Daily <biomathjdaily_at_gmail.com>
Date: Wed, 27 Apr 2011 09:35:14 -0400

There is probably a more elegant way to do this, but you could write it into dummy1():

dummy1 <- function()
{
...original function
options(old.options)
}

Alternatively, you could use ?tryCatch with the finally argument as a call to options.

HTH,
Jon

On Wed, Apr 27, 2011 at 9:16 AM, Jannis <bt_jannis_at_yahoo.de> 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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>

-- 
===============================================
Jon Daily
Technician
===============================================
#!/usr/bin/env outside
# It's great, trust me.

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Received on Wed 27 Apr 2011 - 13:41:04 GMT

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