[R] how to modify variables of another frame (but not global)

[Meinhard Ploner]

Hello!

Maybe "frame" is not the right term in this context.
I explain my problem by example code:
fun2 <- function(objName, add) {
	## the object "objName" should be increased by "add",
	## but the evaluation should be done in the calling function (here: 
fun1)
	##    ...... what's the right code??
}

fun1 <- function() {
        x <- 1
	fun2("x", 10)		## should modify "x"

        ## now x should be 11, but only here and NOT globally!
        ...
}
I would like to appreciate any solution!
Thanks in advance
Meinhard Ploner

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