[Gretl-devel] Re: flatten() behavior

Am 14.07.2019 um 22:35 schrieb Allin Cottrell: > On Sun, 14 Jul 2019, Sven Schreiber wrote: > > about the new 'flatten' function: For the case of string arrays I think > > it would be good to have some choice about the separator. Currently a > > newline (\n) is inserted after each string, which is reasonable. > > However, there's an unused argument ('vcat') which could be used to > > choose for example a blank (" ") instead. An alternative would be to > > introduce another optional argument where the user could specify the > > string for joining (or separating) the input strings. > > > > This would be useful if the input array actually holds textual > > representations of numbers, which can then be processed with sscanf. > > > > Both alternatives would be backwards compatible, but flatten is so new > > that that's not very important I guess. > > Yes, might be worthwhile. The boolean "vcat" argument could be renamed > and made to use space for strings. (I'm less keen on > making it type-mutable to accept any separator.) > > Want to file a feature request (given that this is not going to acted > upon right away)? Almost forgot about this one - should I go ahead a put it on the tracker, or has it already been changed?