I don't think it's the path or the slashes. I run other files in this same 
manner, with the same path to the script itself, and they go off without a 
hitch. Although this is the first time I am using 3.4.3, and the only script I 
am using that version of R for at the moment.

Having said that, I did TRY reversing the slashes and got the same result. :-)

Michael Ashton, CFA
Managing Principal

Enduring Investments LLC
W: 973.457.4602
C: 551.655.8006

-----Original Message-----
From: Duncan Murdoch [mailto:murdoch.dun...@gmail.com] 
Sent: Friday, February 02, 2018 8:16 AM
To: Michael Ashton; r-help@r-project.org
Subject: Re: [R] command line fails

On 02/02/2018 7:52 AM, Michael Ashton wrote:
> Hi - Think this is quick help. Not sure how to trap what is causing my simple 
> script to run fine in R, but fail immediately when called from rscript. I can 
> put all sorts of traps in the script itself, but when called from the command 
> line the r window simply flashes and closes.
> There's probably a way to find out why rscript is failing, but I don't know 
> it and can't seem to find it online. To be clear, I'm not really trying to 
> save the OUTPUT of the file...it never even executes as far as I can tell. 
> I'm calling it with C:\Program Files\R\R-3.4.3\bin\Rscript.exe 
> "P:\Investments\Trading Tools\RV Tools\myfile.r" And again, it executes 
> perfectly if I open the GUI first and then run it within R.

I'd try using forward slashes in the path, i.e. "P:/Investments/Trading 
Tools/RV Tools/myfile.r"  I don't remember if R processes the path to the 
script or whether it's done entirely by the shell, but they shouldn't hurt.

Spaces in file paths sometimes cause trouble.  If you put the script in a path 
with no spaces does that help?  If so, you can probably escape that space, but 
I can't remember what the escape sequence is.  (Escapes in Windows can be 
processed by the command shell or Rscript.exe or both, so it's hard to get them 
right.)  Another alternative might be to change directory to that path and then 
use a relative path for the R script.

Duncan Murdoch
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