Worked on my machine.  I think you need to give more info,  including what 
version of the OS you are running,  and from within R the result of 
'sessionInfo()',  also what happens if you run it from within R,  rather than 
from RScript.

HTH,

-Roy


> On Aug 20, 2019, at 7:27 PM, Richard Fuhr <richard.f...@gmail.com> wrote:
> 
> I am sending this message again to the distribution list, and this time I am
> * making this message plain text
> * attaching an R file called FuhrTest.R
> * attaching an input file called FuhrTest.csv ( a small file but it does 
> duplicate the problem)
> 
> The purpose of the code is to read the csv file, which consists of a few 
> dates and weights and to generate plots of the data using various formats.
> 
> The formats PDF, JPG, PNG and SVG get successfully generated on my Linux 
> machine running the Pop!_OS distribution.
> 
> However, on my Mac, using the identical R script, the system hangs when 
> trying to generate an SVG plot.
> 
> I have also duplicated the problem interactively.
> 
> If the lines to generate an SVG file are commented out on the Mac, then the R 
> code runs as desired.
> 
> I invoked the script via the command 
> 
> Rscript FuhrTest.R
> 
> So if someone can take a look at this case when running R on a Mac, that 
> would be very helpful.
> 
> It would be nice to be able to generate SVG files using R on my Mac that 
> represent data plots
> 
> 
> Thanks,
> 
> 
> 
> Richard Fuhr
> <FuhrTest.csv><FuhrTest.R>_______________________________________________
> R-SIG-Mac mailing list
> R-SIG-Mac@r-project.org
> https://stat.ethz.ch/mailman/listinfo/r-sig-mac

**********************
"The contents of this message do not reflect any position of the U.S. 
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
***Note new street address***
110 McAllister Way
Santa Cruz, CA 95060
Phone: (831)-420-3666
Fax: (831) 420-3980
e-mail: roy.mendelss...@noaa.gov www: http://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."
"From those who have been given much, much will be expected" 
"the arc of the moral universe is long, but it bends toward justice" -MLK Jr.

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