if you need to see something from within a verb running then it is easy to use smoutput to print into the session manager what it is you want to investigate.
In order to print something out to a file you must first convert it to character etc and it may not be that easy for a beginner. 2010/3/23 Sprague, Webb (OFM) <[email protected]>: > Hi all, > > Forgive my newbieness,... but what does the following snippet mean (from > some J code that it is now my responsibility to maintain): > > if. rtn e.<'NO' do. > > I understand "if." And "do.", just not the part in the middle; I assume > it has something to do with testing for equalituy. "rtn" is the value > given by a window interface thingy. > > On a related note, I would like to print a string with the value of > return and some text concatenated to it, but the following snippet gives > me a "domain error" > > 'return value:', rtn 1!:2(2) > > I think rtn might be boxed, or something, but I can't figure it out. If > it were a C-ish language, I would be writing "printf("return value: %s", > rtn);". > > Finally, if there is a way to unbox a variable, it would be great to > hear about it. > > Thanks! > > --- > W. Webb Sprague > Forecast Analyst > Office of Financial Management, Forecast Division > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fornustekkum II 781 Hornafirði, t-póst: [email protected] gsm: +3546985532 sími: +3544781286 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
