Found the problem was with my system's tar command. After specifying
tar="internal" (meaning that it uses R's builtin tar) everything
worked fine.
Thanks for your consideration though.
On Jul 12, 11:14 pm, kcrisman wrote:
> On Jul 12, 10:57 pm, rickhg12hs wrote:
>
> > I've tried to use R's untar command a number of different ways from
> > Sage's commandline interface and I am having trouble listing the
> > contents of a LZMA compressed TAR file. Actually, I don't seem to get
> > any desirable output from r.untar so I am thinking I'm not even close
> > to using the correct syntax.
>
> Syntax with R commands is not always obvious for optional keywords.
> Can you give us the *exact* R command (with options) you are trying to
> use? Note the documentation: "What options are supported will depend
> on the ‘tar’ used. " So it is possible that the R untar in question
> on Sage behaves differently from a 'native' implementation. But most
> likely it is the use of options that is the problem. Unfortunately I
> can't remember offhand how I've used them in the past :( but perhaps
> someone else will.
>
> > If I have a LZMA compressed TAR file, how can I list/read it with Sage
> > and/or r.untar in Sage?
>
> If you are just trying to use R from within Sage, without integrating
> it with the rest of Sage, you can also use r_console(), or use %r in
> the notebook, and just do things that way.
>
> - kcrisman
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