I want to call a function "fx" given by name, where some "global" variables (in the environment of fx) are passed to the function. For compatibility reasons I cannot modify the parameter list of fx and I want to avoid setting variables in the global environment (e.g. via <<-)
Is there a way, how to do this?
Thomas P.
The example:
fx <- function(y) print(x*y)
f <- function(fun, xx) {
fxx <- function() {do.call(fun, list(y=3))}
x <- x
fxx()
}f("fx", 13)
## does not work, because fx does not find x
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