[R] external variable by inside-function routines modifications

[baptiste auguie]

Hi,

with assign,

foo <- function(var){
  assign("var", var+1, envir = .GlobalEnv)
}

var =1
foo(2)
var
# [1] 3

HTH,

baptiste



2009/10/8 devol <sunduck at gmail.com>:
>
> Dear all,
>
>  could you please advice whether it is possible somehow to modify an
> external (from the point of some function view) variable by some
> function-internal operators. For example
>
>> var=1
>> foo<-function(var){var=var+1}
>> foo(var)
>> var
> [1] 1
>
> but the goal is to get the var equal to 2 in this specific case.
>
> Thanks!
> --
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