On 16/12/2007 9:25 AM, [EMAIL PROTECTED] wrote:
> Hello the list,
>
> I am trying to write a "cleanProgramming" function to test the
> procedure I use. For example, I want to be sure that I am not using
> globals variables. The function "findGlobals" detect that.
>
> To list the globals used in function "fun", the syntax is :
> "findGlobals(fun,FALSE)$variable"
>
> My problem is that I want to use it in a function, something like :
>
> cleanProg <- function(name){
> if(length(findGlobals(name,FALSE)$variable>0){
> cat("Warnings: there is globals is function ",name,"\a\n")
> }
> }
>
> But findGlobals take a function as first argument, not a variable
> containing a function name.
>
> Anyway to solve that?
Use get() to find an object with a given name. You need to be careful
to specify where it should look (the envir argument); typically
parent.frame() is appropriate, but your cleanProg function should allow
the user to override this.
Duncan Murdoch
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