[R] saving a 'get' object in R

[Henrik Bengtsson]

I recommend to use saveRDS()/readRDS() instead.  More convenient and
avoids the risk that load() has of overwriting existing variables with
the same name.

/Henrik

On Tue, Jun 24, 2014 at 1:45 PM, Greg Snow <538280 at gmail.com> wrote:
> I think that you are looking for the `list` argument in `save`.
>
> save( list=foo, file=paste0(foo, '.Rdata') )
>
> In general it is best to avoid using the assign function (and get when
> possible).  Usually there are better alternatives.
>
> On Tue, Jun 24, 2014 at 2:35 PM, David Stevens <david.stevens at usu.edu> wrote:
>> R community,
>>
>> Apologies if this has been answered. The concept I'm looking for is to
>> save() an object retrieved using get() for an object
>> that resulted from using assign. Something like
>>
>> save(get(foo),file=paste(foo,'rData',sep=''))
>>
>> where assign(foo,obj) creates an object named foo with the contents of obj
>> assigned. For example, if
>>
>> x <- data.frame(v1=c(1,2,3,4),v2=c('1','2','3','4'))
>> foo = 'my.x'
>> assign(foo,x)
>> # (... then modify foo as needed)
>> save(get(foo),file=paste(foo,'.rData',sep=''))
>>
>> # though this generates " in save(get(foo), file = paste(foo, ".rData", sep
>> = "")) :
>> object ‘get(foo)’ not found", whereas
>>
>> get(foo)
>>
>> at the command prompt yields the contents of my.x
>>
>> There's a concept I'm missing here. Can anyone help?
>>
>> Regards
>>
>> David Stevens
>>
>> --
>> David K Stevens, P.E., Ph.D.
>> Professor and Head, Environmental Engineering
>> Civil and Environmental Engineering
>> Utah Water Research Laboratory
>> 8200 Old Main Hill
>> Logan, UT  84322-8200
>> 435 797 3229 - voice
>> 435 797 1363 - fax
>> david.stevens at usu.edu
>>
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>> and provide commented, minimal, self-contained, reproducible code.
>
>
>
> --
> Gregory (Greg) L. Snow Ph.D.
> 538280 at gmail.com
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.