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Hi folks, Here is the current interface: sink(file=NULL, append=FALSE, type = c("output", "message"), split=FALSE) However, reading the implementation there is implicit assumption that type is a single character value: https://github.com/wch/r-source/blob/trunk/src/library/base/R/sink.R#L23 I'm finding this very confusing as the interface is giving a default value of a

...ch.arg() is widely used in R. I find it quite useful in my own > programming. > > > -- > Don MacQueen > > Lawrence Livermore National Laboratory > 7000 East Ave., L-627 > Livermore, CA 94550 > 925-423-1062 > > > > > > On 3/16/15, 10:08 PM, "Hamid Bazzaz" <hhamid at gmail.com> wrote: > > >Hi folks, > > > >Here is the current interface: > > > >sink(file=NULL, append=FALSE, type = c("output", "message"), split=FALSE) > > > >However, reading the implementation there is implici...

...ures, otherwise, why bother to have different languages? And yes, match.arg() is widely used in R. I find it quite useful in my own programming. -- Don MacQueen Lawrence Livermore National Laboratory 7000 East Ave., L-627 Livermore, CA 94550 925-423-1062 On 3/16/15, 10:08 PM, "Hamid Bazzaz" <hhamid at gmail.com> wrote: >Hi folks, > >Here is the current interface: > >sink(file=NULL, append=FALSE, type = c("output", "message"), split=FALSE) > >However, reading the implementation there is implicit assumption that type >is a single...