On 25 Jan 2012, at 11:54, Duncan Murdoch wrote:
> I think the documentation for cat is a little ambiguous, but it is working as 
> documented if I read "If any element of sep contains a newline character," to 
> mean that the element consists of a newline and nothing else.  I'm not sure 
> if that was the intended reading or not.

I don't know about the reading, but if memory serves me well, once upon a time 
cat would not automatically go to a newline, i.e.

cat(1, file = '')

1 >

so I'd have to explictly set the newline as a separator:

cat(1, file= '', sep = '\n')

1

>

Though I admit my memory could be wrong. Thank you for the solution btw.

BW

Federico




> 
>> 
>> How would I overcome this issue? I tried a number of things, all of which 
>> have failed.
>> 
> 
> I'd use sprintf for that, i.e. something like
> 
> count <- c(3, 17, 15)
> pct <- c(20, 30, 31)
> cat(sprintf("%d (%d%%)\n", count, pct), sep="")
> 
> where count and pct are the vectors of values to go into the display.
> 
> Duncan Murdoch

--
Federico C. F. Calboli
Neuroepidemiology and Ageing Research
Imperial College, St. Mary's Campus
Norfolk Place, London W2 1PG

Tel +44 (0)20 75941602   Fax +44 (0)20 75943193

f.calboli [.a.t] imperial.ac.uk
f.calboli [.a.t] gmail.com

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