Thank you all for your answers.
On Mon, Oct 20, 2008 at 6:32 AM, Henrique Dallazuanna <[EMAIL PROTECTED]>wrote:
> Try this:
>
> Using 'envir' argument, in ls and get function:
>
> get.vars.name.prefix<-function(prefix, envir = parent.frame()){
> result<-list()
> len<-nchar(prefix)
> var.names<-ls(envir = envir,pattern=prefix)
> print(var.names)
> for(i in 1:length(var.names)){
> name<-var.names[i]
> field<-substr(name,len+1,nchar(name))
> result[[field]]<-get(name, envir = envir)
> }
> result
> }
>
> On Mon, Oct 20, 2008 at 4:06 AM, erwann rogard <[EMAIL PROTECTED]>wrote:
>
>> hi,
>>
>> get.vars.name.prefix<-function(prefix){
>> result<-list()
>> len<-nchar(prefix)
>> var.names<-ls(name=1,pattern=prefix) #name=1 probably wrong option
>> print(var.names)
>> for(i in 1:length(var.names)){
>> name<-var.names[i]
>> field<-substr(name,len+1,nchar(name))
>> result[[field]]<-get(name)
>> }
>> result
>> }
>>
>> for example
>> x.1<-1
>> x.2<-2
>> get.vars.name.prefix("x.") should return 1,2
>>
>> this does not work if i call if from within another function:
>>
>> g<-function(){
>> x.1<-1
>> x.2<-2
>> get.vars.name.prefix("x.") # should return 1,2, nothing else
>> }
>>
>> i would like the environment specified within ls(...) to be that of the
>> body
>> of the function that calls get.vars.name.prefix. apparently name=1 is
>> probably not the right option.
>>
>> thanks.
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>
> --
> Henrique Dallazuanna
> Curitiba-Paraná-Brasil
> 25° 25' 40" S 49° 16' 22" O
>
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