[R] Calling an R Exit Function

[PhilRack]

I'm looking for advice and suggestions on how I might be able to implement a
routine when R exits. First, I'm running on Windows XP SP2 using R 2.7.1. I
have a series of R programs that run numerous times a day. At the end of
each program, I have a call that appends a line of text to another file --
called completed.txt. for example,

cat("File Completed - WPS2R1 \n",file = "D:\\WPSWork\\WPS Temporary
Data\\_TD4216\\completed.txt ",append=TRUE)

I place this at the very end of my programs and this works fine if the
program doesn't terminate abnormally for some reason.

What I would like to do is whenever R runs my jobs, I would like to have
that line above execute whether the program runs to completion successfully
or not. Basically, I want to have the ability to invoke some type of exit
procedure that I can call to execute the above R statement. Honestly, I'm
confused on how to implement such a thing and how onSessionExit() might work
or if this is even the function I want to be calling.

Any suggestions are welcome.

Thanks,

Phil Rack
www.MineQuest.com
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