From wdunlap at tibco.com  Sat Aug 23 00:13:40 2014
From: wdunlap at tibco.com (William Dunlap)
Date: Fri, 22 Aug 2014 15:13:40 -0700
Subject: [Rd] parallel::detectCores(TRUE) gives: Error in system(cmd,
 TRUE) : error in running command
In-Reply-To: <CAM3-KjZ2OtUx6Hz88WuM4A4AV8_OAey4MvWjz8ZKMRDQi=jgdQ@mail.gmail.com>
References: <CAM3-KjZ2OtUx6Hz88WuM4A4AV8_OAey4MvWjz8ZKMRDQi=jgdQ@mail.gmail.com>
Message-ID: <CAF8bMcZ7OLT=z-Tdk_zMtVj2F_YV=a268gPfdRHccwFUGSxtFA@mail.gmail.com>

The same is true in R-2.14.1 on  Ubuntu 12.04.4 LTS .  Put a trace on
system with
  trace(system, quote(print(command)))
  parallel::detectCores(TRUE)
and you will see the offending shell command.
Bill Dunlap
TIBCO Software
wdunlap tibco.com


On Fri, Aug 22, 2014 at 1:03 PM, Marius Hofert
<marius.hofert at uwaterloo.ca> wrote:
> Hi,
>
> Both under the current R-devel (r66456) and a version from about 3
> months ago, I experience the following behavior:
>
>> parallel::detectCores(TRUE)
> Error in system(cmd, TRUE) : error in running command
>> traceback()
> 3: system(cmd, TRUE)
> 2: gsub("^ +", "", system(cmd, TRUE)[1])
> 1: parallel::detectCores(TRUE)
>>
>
> This is on Ubuntu 14.04. Does anybody else see this? [I currently have
> quite a heavy workload, otherwise I would have installed and tested it
> also under 3.1.1]
>
> Cheers,
>
> Marius
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel



[Rd] parallel::detectCores(TRUE) gives: Error in system(cmd, TRUE) : error in running command
William Dunlap