[jz@blitz 11:07:58 ~]$ ./j701/bin/jconsole   exit 0[jz@blitz 11:08:03
~]$ echo $?0[jz@blitz 11:08:04 ~]$ ./j701/bin/jconsole   exit
1[jz@blitz 11:08:07 ~]$ echo $?1[jz@blitz 11:08:08 ~]$
./j701/bin/jconsole   exit 32[jz@blitz 11:08:15 ~]$ echo $?32[jz@blitz
11:08:16 ~]$ ./j701/bin/jconsole
   exit ''
[jz@blitz 11:28:13 ~]$ echo $?
0
[jz@blitz 11:28:15 ~]$

the argument ends up the shell return code from the program -- '' is
the same as returning 0
On Mon, Dec 12, 2011 at 11:13 AM, Devon McCormick <[email protected]> wrote:
> Tom -
>
> This really ought to work, even under Linux:
>   2!:55 ''
> where the argument to "2!:55" is an empty vector (two single-quotes).
> Since I define "q" for myself, (i.e. it's not a standard verb) I'm not
> surprised that that didn't work.
>
> Since I usually use "2!:55" with an empty vector argument (''), does that
> mean I'm not giving a return code?  Would that be like a "void" or "void *"
> return in C?
>
> Regards,
>
> Devon
>
> On Mon, Dec 12, 2011 at 10:54 AM, Jeff Zellner <[email protected]>wrote:
>
>> the verb exit (2!:55) takes an argument (return code)
>>
>> [jz@blitz 11:05:54 ~]$ ./j701/bin/jconsole
>>   exit
>> 2!:55
>>   2!:55
>> 2!:55
>>   exit 0
>> [jz@blitz 11:06:16 ~]$
>>
>>
>> 2011/12/12 Björn Helgason <[email protected]>:
>> > Common ctrl combinations to end something
>> > ctrl + c
>> > ctrl + d
>> > ctrl + z
>> > ctrl + q
>> >
>> > http://en.wikipedia.org/wiki/Control_key
>> >
>> > also esc
>> >
>> > 2011/12/12 Devon McCormick <[email protected]>
>> >
>> >> I usually use " q'' " where "q" is a cover for " 2!:55 ".   Ctrl-D does
>> >> something else under Windows - it doesn't seem to end a session.
>> >>
>> >> On Sun, Dec 11, 2011 at 10:18 PM, Tom Szczesny <[email protected]>
>> wrote:
>> >>
>> >> > Found it --
>> >> >    Ctrl+d
>> >> >
>> >> > On Sun, Dec 11, 2011 at 10:06 PM, Tom Szczesny <[email protected]>
>> wrote:
>> >> >
>> >> > > Hi -
>> >> > >
>> >> > > Earlier today I downloaded the J source and followed the build
>> >> > > instructions on an i686 using Gentoo Linux.
>> >> > > The J console fired right up and I was able to perform a few test
>> >> > > calculations.
>> >> > >
>> >> > > I then checked through the J documentation for the command to end
>> the
>> >> > > console session in order to continue with the   bin/build_defs.
>> >> > > I can't seem to find any documentation on how to exit from a
>> J-console
>> >> > > session.
>> >> > >
>> >> > > I tried
>> >> > >   ctl-C
>> >> > >   quit
>> >> > >   exit
>> >> > >   )off
>> >> > >   $off
>> >> > >   )logoff
>> >> > >   end
>> >> > >   )end
>> >> > >       as well as many others.
>> >> > >
>> >> > > What is the correct command to end a J-consile session?
>> >> > >
>> >> > > Tom
>> >> > >
>> >> > ----------------------------------------------------------------------
>> >> > For information about J forums see
>> http://www.jsoftware.com/forums.htm
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Devon McCormick, CFA
>> >> ^me^ at acm.
>> >> org is my
>> >> preferred e-mail
>> >> ----------------------------------------------------------------------
>> >> 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
>> > 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
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>>
>
>
>
> --
> Devon McCormick, CFA
> ^me^ at acm.
> org is my
> preferred e-mail
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to