[R] tar()/untar() argument symmetry

Roebuck,Paul L proebuck at mdanderson.org
Tue Oct 18 20:47:27 CEST 2016

On 10/18/16, 12:52 PM, "Duncan Murdoch" <murdoch.duncan at gmail.com> wrote:

>On 18/10/2016 12:38 PM, Roebuck,Paul L wrote:
>> Any reason untar() has an "exdir" argument (the equivalent of "tar -C"),
>> but tar() does not?
>Because you can specify the source directory in the files argument using
>list.files().  There's no need to duplicate that in tar().

But that solution introduces (undesired) intermediate directory paths
into the tar archive.

Any other thoughts outside using something like below:

savedir <- ""
    savedir <- setwd(local)
  finally = setwd(savedir))

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