[Rd] What version is sh?
ldimitro at wfubmc.edu
Tue Dec 30 03:23:59 MET 2003
man sh says it's ash
> -----Original Message-----
> From: Duncan Murdoch [mailto:dmurdoch at pair.com]
> Sent: Monday, December 29, 2003 7:06 PM
> To: r-devel at stat.math.ethz.ch
> Subject: Re: [Rd] What version is sh?
> On Mon, 29 Dec 2003 14:40:45 -0500, I wrote:
> >I'm trying to write an automatic check of the toolset
> installation for
> >R. It'll get all the tools to print their version numbers, and
> >complain if they aren't acceptable ones.
> >However, I can't see how to get sh to print version information. Is
> >there some way to do it?
> >The sh I'm worried about is the one that comes with Cygwin, if there
> >isn't a standard approach.
> Several people suggested the GNU standard "--version" command
> line option, which works for most of the Cygwin utilities,
> but not this one. Dirk Eddelbeuttel said
> >I'd suspect that it is one of the small shells which e.g.
> Debian calls
> >them ash and dash; these are used on boot floppies and the
> like where
> >space is at a premium. As a consequence, they may not support all
> >full-blown command-line options. So to test the shell, you
> may need to
> >run a small shell script containing the features you want to
> make use
> >of later.
> I think it must be one of those. The executable is about 1/8
> the size of the bash executable.
> Duncan Murdoch
> R-devel at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listi> nfo/r-devel
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