[Rd] Apropos sprintf behavior

Steve Dutky sdutky at starpower.net
Tue Feb 15 18:04:39 CET 2005

If changes to sprintf behavior are being considered, would it 
be possible to allow some of the other K&R conversion 

xX - for integer to hex conversion, and
c  - for ascii value to character conversion

would all be useful for me.

Thanks, Steve Dutky
On Mon, 14 Feb 2005 11:02:20 +0000 (GMT), Prof Brian Ripley 

+On Mon, 14 Feb 2005, Wolfgang Huber wrote:
+> Dear Prof. Ripley,
+> Would it be possible to make sprintf accept vector 
+> I.e. allow expressions like
+>  sprintf("%04d", 1:3)
+> to produce something like what currently needs to be done 
+>  sapply(1:3, function(i) sprintf("%04d",i))
+I have thought about this, but it is not really clear what 
the right thing 
+would be here with multiple arguments.  What should
+sprintf(("%04d %s", 1:3, "abc")
+do?  Produce a character vector of length 1 or 3?  If of 
length 1,
+"0001 0002 0003 abc" or "0001 2 0003 abc"?
+I guess the most R-like thing would be to recycle args to 
the length of 
+the longest and then use them in parallel, but that can be 
done fairly 
+easily by *apply.

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