[R] sprintf does not print

Mario Valle mvalle at cscs.ch
Wed Feb 16 11:25:31 CET 2011


Use
cat(sprintf('I did the the %d,%d \n',k,l))
The functions do not print in non interactive mode
Hope it helps
                                 mario
On 16-Feb-11 11:15, Alaios wrote:
> Dear all I have an sprintf inside a loop to track changes in variable's value.
>
> This sprintf statement works if I copy and paste it inside R
> sprintf('I did the the %d,%d \n',k,l)
>
> but when this is inside a loop I get no message.
>
> listcounter<-1
> for (k in c(1:mmax)){ #
>    for (l in c(1:nmax)){
>
>      lst[[listcounter]]<-fun(estimatedsr)
>      listcounter<-listcounter+1
>      sprintf('I did the the %d,%d \n',k,l)
>    }
> }
>
>
> When I paste the code above I never get any message printed. I know that the loop works. When I kill the execution of the loop the listcounter variable has value different from the initial one.
>
> What might be the solution to that strange problem?
>
> Best Regards
> Alex
>
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-- 
Ing. Mario Valle
Data Analysis and Visualization Group            | http://www.cscs.ch/~mvalle
Swiss National Supercomputing Centre (CSCS)      | Tel:  +41 (91) 610.82.60
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