[R] Retrievable results in a procedure

[Sarah Goslee]

I'm a bit confused about what you actually want, but I think invisible()
might be the answer.

Note that there's already a base function try() so that's not a great name
for test functions.

Sarah

On Tue, Dec 25, 2018 at 8:47 AM Steven Yen <styen using ntu.edu.tw> wrote:

> I would like to suppressed printing of retrievable results in a
> procedure and to print only when retrieved.
>
> In line 10 below I call procedure "try" and get matrices A,B,C all
> printed upon a call to the procedure. I get around this unwanted
> printing by calling with v<-try(A,B) as in line 11.
>
> Any way to suppress printing of the retrievable results listed in the
> structure command? Thank you, and Merry Christmas to all.
>
>
> A<-matrix(rpois(16,lambda=5),nrow=4,byrow=T)
> B<-diag(4)
>
> try<-function(A,B){
>   C<-A+B
>   cat("\nC:\n"); print(C)
> structure(list(A=A,B=B,C=C))
> }
>
> try(A,B)    # line 10
> v<-try(A,B) # line 11
>
> --
> styen using ntu.edu.tw (S.T. Yen)
>
>
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>
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-- 
Sarah Goslee (she/her)
http://www.sarahgoslee.com

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