[R] Changing the name of the "R" process in top

[Steve Lianoglou]

Hi,

On Sat, May 28, 2011 at 2:48 PM, Matthew Keller <mckellercran at gmail.com> wrote:
> Hi all,
>
> Perhaps this is more of a unix question, but I'll give it a try here.
> I am running 9 different R processes at the same time (called from a
> shell script using R CMD BATCH).  When I use the top program to
> monitor how they are doing, it is impossible to tell which R process
> is related to which R script. Is there a way to rename a specific
> instantiation of an R process in top with another, more informative
> name, e.g., something like R-script1 R-script2 etc?

How about flipping it around and asking your scripts to let you know
what process they are (so you can ID in `top` by their process id, and
not process name/command).

R> Sys.getpid()
[1] 27813

Maybe you can have your scripts `cat` that value to stdout when they run?

-- 
Steve Lianoglou
Graduate Student: Computational Systems Biology
 | Memorial Sloan-Kettering Cancer Center
 | Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact