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I have been using RDCOMClient for a while now to interact with vendor software. For the most part it has worked fine. Recently, however, I have the need to loop through many operations (several hundred). I am running into problems with the RDCOM.err file growing to a very large size (easily GBs). This file is put in C: with no apparent option to change that. Is there some way that I can suppress this output or specify another location for the file to go? I don't need any of the output in the file so suppressing it would be best.

EDIT: I tried to add to my script a file.remove but R has the file locked. The only way I can get the lock released is to restart R.

Thanks.

fsumathguy
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2 Answers2

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Setting the permissions to read only was going to be my suggested hack.
A slightly more elegant approach is to edit one line of the C code in the package in src/RUtils.h from \#define errorLog(a,...) fprintf(getErrorFILE(), a, ##__VA_ARGS__); fflush(getErrorFILE()); to \#define errorLog(a, ...) {}

However, I've pushed some simple updates to the package on github that add a writeErrors() function that one can use to toggle whether errors are written or not. So this allows this to be turned on and off dynamically. So library(RDCOMClient) writeErrors(FALSE) will turn off the error logging to the file.

Duncan Temple Lang
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I found a work around for this. I created the files C:\RDCOM.err and C:\RDCOM_server.err and marked them both as read-only. I am not sure if there is a better way to accomplish this, but for now I am running without logging.

fsumathguy
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