[R] immediate print

John Kane jrkrideau at yahoo.ca
Fri Feb 8 21:32:26 CET 2008


Well you can put it within the loop but then it prints
1,000,000 times.
--- "Waterman, DG (David)"
<david.waterman at diamond.ac.uk> wrote:

> Hi everyone,
>  
> I have a function containing a loop that takes some
> time to complete.
> Before I enter the loop I want to print a text
> string to the screen
> explaining what is being calculated, however, I find
> that the
> information is not printed until the function exits.
> Is there a way of
> immediately printing a message from within a
> function as a side effect
> before it returns?
> 
> code example:
> 
> myFunc <- function(){
>   print.noquote("some message that I want to print
> before exiting the
> function")
>   j <- 0
>   for (i in 1:1000000){
>     j <- j + 1
>   }
>   j
> }
>  
> Best wishes,
> David
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