wrapper <- function(){
Sys.setenv(TMP="A")
print(Sys.getenv("TMP"))
.C("c_fun")
}
As the example above, I hope to set an env var $TMP inside the R function
"wrapper", which affects the functionality of the C function call "c_fun".
Also the print line shows that $TMP is set to be "A", but the function call
of "c_fun" was not affected.
Does anyone know why and how to correctly set the env var for subsequent
functions?
Thanks,
BW
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