[R] Question about managing searching path

[vito muggeo]

Dear Tong
I think on.exit() makes the job..Namely:

attach(Yourdata) on.exit(detach(YourData))

vito


Tong Wang wrote:
> Hi all,
>      I'm having sometrouble with managing the seach path, in a function , I need to attach some data set at the begining
> and detach them at the end,  say,     myfunction<- function() { attach(mylist);      .............    detach(mylist) } ,
> the problem is, since I am still debugging this code,  sometimes it got error and ended before reaching the end, thus
> the data is left in the searching path.  
>       What 's the right way to make mylist detached no matter what ?
> 
> Thanks a lot.
> 
> best
> 
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-- 
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Università di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 6626240
fax: 091 485726/485612