[Rcpp-devel] rout and rerr instead of cout and cerr in Rcpp

Sean Robert McGuffee sean.mcguffee at gmail.com
Thu Apr 28 03:26:41 CEST 2011

           >On 11/10/2009 12:23 PM, Dirk Eddelbuettel wrote:
>> >
>> > On 10 November 2009 at 09:47, Romain François wrote:
>> > | Hi,
>> > |
>> > | Would it make sense to have an rout and rerr so that we could do :
>> > |
>> > | rout<<  "bla bla"<<  endl ;
>> > |
>> > | and
>> > |
>> > | rerr<<  "bla bla"<<  endl ;
>> > |
>> > | and this would go into Rprintf and REprintf ? or maybe we can directly
>> > | redefine cout and cerr
>> >
>> > Hm. That never really arose in my use. cout was mostly for debugging.
>> >
>> > I think a C++-ish way is to create<<  operators (that eg RcppDate and
>> > RcppDatetime have).
>> >
>> > Where you thinking of something other than debugging help?
> |Not really, but just sort of making sure debugging is consistent with
> |the recommendation from WRE of using Rprintf instead of printf

Has anyone followed up on this? I¹m wondering if there might be a simple way
to redirect cerr and cout to something like an rerr and rout? I for one have
thousands of lines of code that use cerr and cout in libraries that I would
like to use in R. It seems that they currently are causing a crash at
run-time when I leave those lines in my packages. I won¹t know for sure
until I take the time to remove all of them, but who knows how long that
might take. I think it would probably be faster and easier for me to
redirect these streams to R somehow. Has that been worked out yet? If so,
how? If not, I think maybe I can redirect them to some log files or
something. Has anyone done that?
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