[R-gui] [stats-rosuda-devel] system() fails in JGR

[Simon Urbanek]

On Mar 19, 2009, at 12:50 , Ian Fellows wrote:

> Hi Liviu,
>
> I can confirm the problem on windows and mac, though I don't have a
> solution. At least in windows it might have something to do with the
>
> if (CharacterMode == RGui)
>
> statement in sys-win32.c do_system function. But I'm not familiar  
> enough
> with the internals to solve this.
>

This has nothing to do with it - use system(.., intern=TRUE) if you  
want R to capture the results. Otherwise the process output goes to  
stdout/stderr instead.

Cheers,
Simon



> I'm forwarding this a mailing list that deals with java <-> R.
>
>
> Cheers,
> Ian
>
>
>
> -----Original Message-----
> From: r-sig-gui-bounces at stat.math.ethz.ch
> [mailto:r-sig-gui-bounces at stat.math.ethz.ch] On Behalf Of Liviu  
> Andronic
> Sent: Thursday, March 19, 2009 1:29 AM
> To: R-SIG-GUI Mailing List
> Subject: [R-gui] system() fails in JGR
>
> Dear all,
> I initially sent this e-mail to r-help, with no luck, so I'm  
> forwarding
> here.
>
> JGR seems unable to report the results of system() commands.
> In a command-line R session:
>> system("pwd")
> /home/liviu
>> system("acpitool")
> AC adapter     : on-line
> Thermal zone 1 : ok, 67 C
>> system("asdf")
> sh: asdf: command not found
>
> In JGR:
>> system("pwd")
>> system("ls -F")
>> system("acpitool")
>> system("asdf")
>
>
> Would this JGR, or my system configuration at fault?
> Liviu
>
>
> System info:
>> sessionInfo()
> R version 2.8.1 (2008-12-22)
> i686-pc-linux-gnu
>
> locale:
> LC_CTYPE 
> =en_GB.UTF-8;LC_NUMERIC=C;LC_TIME=en_GB.UTF-8;LC_COLLATE=en_GB.UTF-8
> ;LC_MONETARY 
> =C;LC_MESSAGES=en_GB.UTF-8;LC_PAPER=en_GB.UTF-8;LC_NAME=C;LC_ADD
> RESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_GB.UTF-8;LC_IDENTIFICATION=C
>
> attached base packages:
> [1] datasets  utils     stats     graphics  grDevices methods   base
>
> other attached packages:
> [1] JGR_1.6-3     iplots_1.1-3  JavaGD_0.5-2  rJava_0.6-2    
> PolynomF_0.93
> [6] financial_0.1 WhatIf_1.5-4  lpSolve_5.6.4 Zelig_3.4-3    
> boot_1.2-35
> [11] MASS_7.2-45
>
> liviu at localhost ~ $ uname -a
> Linux localhost 2.6.22-gentoo-r5-0.5 #3 Sat Mar 14 12:22:37 CET 2009
> i686 Intel(R) Pentium(R) M processor 1.60GHz GenuineIntel GNU/Linux
>
>
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