Look for prompt in J7 and you find prompts used by the systems in GTK as well as in JHS and not for public use. prompt in J6 is wd specific.
2012/1/1 Raul Miller <rauldmil...@gmail.com> > I am not sure this is good advice. > > in j6.2, prompt is implemented using 1!:1]1 > > in my copy of j7.1, require'misc' does not work and prompt does not > exist. I do not know how other people are getting it to work in j7.1 > > -- > Raul > > > > On Sat, Dec 31, 2011 at 9:09 PM, bill lam <bbill....@gmail.com> wrote: > > From my understanding, 1!1[1 only works under ide session (ijx or > jconsole), > > but not for standalone scripts. If your applications will always run > inside an > > ide session I think prompt or 1!:1]1 will both work with minor difference > > as you noticed. Just use prompt if you prefer. > > > > Сбт, 31 Дек 2011, PackRat писал(а): > >> bill lam wrote: > >> > I'm puzzled. If prompt works for you, why 1!:1]1 didn't? > >> > >> Just to make sure that all info is known, this is NOT from jconsole, > >> which I never use. Rather, this is in a J session in .ijx and where > >> code is developed in .ijs. > >> > >> I tried the 1!:1]1 two different ways, using a cover verb (test1 and > >> test2) and using in-line code (test3): > >> > >> -------------------------------------- > >> require 'files strings' > >> > >> > >> test1=: 3 : 0 > >> d=. input 'enter something: ' > >> smoutput < d > >> ) > >> > >> test2=: 3 : 0 > >> d=. input2 'enter something: ' > >> smoutput < d > >> ) > >> > >> test3=: 3 : 0 > >> d=. 'enter something: ' 1!:1 ]1 > >> smoutput < d > >> ) > >> > >> input=: 3 : 0 > >> y > >> entry=. 1!:1 ]1 > >> ) > >> > >> input2=: 3 : 0 > >> y > >> 1!:1 ]1 > >> ) > >> -------------------------------------- > >> > >> > >> It turns out from further testing that J does NOT hang when using this > >> approach. It only SEEMED that way because J was actually waiting for > >> input. Somewhere along the line, I thought I'd try pressing the ENTER > >> key--and, lo and behold, it seemed to break out of the "hang up" and > >> returned me to the normal session condition of waiting for a command. > >> Then I thought, "Maybe it was really waiting for input of some kind", > >> and so I typed some random letters before pressing the ENTER key. Lo > >> and behold (again!), it was working and was really waiting for input > >> all the time. > >> > >> The reason I originally didn't pursue this any further is that the > >> Dictionary misled me (is this a bug in the Dictionary?) when page > >> dx001.htm clearly stated, "read from the keyboard (does not work within > >> a script)". The behavior I described above fit into the Dictionary's > >> statement (because the seeming misbehaviors were in a script), and so I > >> didn't pursue it any further but asked here for alternatives instead. > >> > >> So, in answer to your question, bill: yes, it really does work; I just > >> didn't realize it. Well, almost... > >> > >> The reason I didn't realize it is that I thought that (in input and > >> input2) the literal y would display, and it didn't. By inserting > >> "smoutput" ahead of the y's, the prompts displayed. With test3, the > >> first line had to be split in two: the first displaying the prompt > >> using smoutput, and the second the desired code. Because the prompt > >> literals didn't display originally, I thought the code wasn't working, > >> when in fact J was waiting for input. (The reason I thought the > >> prompts would display in the code at the top of this email is that > >> single literals usually seem to display in J, and I didn't realize that > >> the safest approach apparently is to always use "smoutput" or "1!:2]2" > >> to display them.) > >> > >> The lingering problem with this approach is that, in contrast to the > >> "prompt" verb, the prompt literal and the user input are on separate > >> lines--not a good thing. Here's the visual difference, using an > >> underscore to indicate the location of the cursor: > >> > >> Your 1!:1]1 approach: The "prompt" verb: > >> > >> This is the data prompt: This is the data prompt: _ > >> _ > >> > >> Or is there some documentation somewhere that indicates how your > >> approach can be made to look like the "prompt" verb approach? > >> > >> I hope this extra information helps explain the situation more clearly. > >> > >> > >> Harvey > >> > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > > > > -- > > regards, > > ==================================================== > > GPG key 1024D/4434BAB3 2008-08-24 > > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fornustekkum II 781 Hornafirði, t-póst: gos...@gmail.com gsm: +3546985532 twitter: @flugfiskur http://groups.google.com/group/J-Programming Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans góður kennari getur stigið á tær án þess að glansinn fari af skónum /|_ .-----------------------------------. ,' .\ / | Með léttri lund verður | ,--' _,' | Dagurinn í dag | / / | Enn betri en gærdagurinn | ( -. | `-----------------------------------' | ) | (\_ _/) (`-. '--.) (='.'=) ♖♘♗♕♔♙ `. )----' (")_(") ☃☠ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
