Yes, the labs concerned are present in their ~addons/math/ folders.

And when I copy them to: ~addons/labs/labs/math/ -they appear in the
dropdown on restarting j64-701 and work fine.

They are also listed correctly (?) in: ~addons/config/config.ijs
(which ensures their appearance in the Labs menu in j602) --but I
guess JHS isn't currently using that?


On Tue, Nov 29, 2011 at 12:13 AM, Eric Iverson <eric.b.iver...@gmail.com> wrote:
> I think JHS labs gets it list from the contents of ~addons/labs/labs. If
> you are seeing some labs and they are working perhaps your labs weren't
> included in the jal update of labs. As a start verify the labs your want
> are in your addons folder.
>
> On Mon, Nov 28, 2011 at 6:55 PM, Ian Clark <earthspo...@gmail.com> wrote:
>
>> No, Björn, the labs are just not there. I know what they look like,
>> 'cos I wrote 'em.
>>
>> 2011/11/28 Björn Helgason <gos...@gmail.com>:
>> > The list of labs in JHS is a bit tricky to understand.
>> > The name you see is not the name of the file but the name of the lab you
>> > see in the beginning of the file.
>> > Open a lab and you see what is there.
>> > It is a great tool to use as a teaching tool and so easy to work with.
>> > Just change the contents of a file and you have a new lab.
>> >
>> >
>> > 2011/11/28 Ian Clark <earthspo...@gmail.com>
>> >
>> >> Even after restarting, there are labs (viz. cal.ijt and uu.ijt) which
>> >> I see have been downloaded and apparently installed
>> >> (i.e they are listed in ~addons/labs/labs/lablist.txt and
>> >> ~addons/config/config.ijs) -yet do not appear in the Labs dropdown.
>> >>
>> >> Just where does jhs get the contents of the labs dropdown from?
>> >>
>> >> 2011/11/28 Björn Helgason <gos...@gmail.com>:
>> >> > When you start JHS it scans for the ijt files and it does not find
>> them
>> >> > before you do the install of the addons.
>> >> >
>> >> > So if you create a new ijt file you need to restart the JHS so it will
>> >> find
>> >> > it.
>> >> >
>> >> > After that you can change the file and it will read the changes just
>> >> > restart the lab and no need to restart JHS
>> >> >
>> >> > 2011/11/28 Ian Clark <earthspo...@gmail.com>
>> >> >
>> >> >> There are two downloads for the Mac, and I've just tried the same
>> >> >> steps with the other one:
>> >> >>
>> >> >>   JVERSION
>> >> >> Engine: j701/2011-01-10/11:25 build: Feb  6 2011 16:16:29
>> >> >> Library: 7.01.043
>> >> >> Platform: Darwin 64
>> >> >> Installer: j701a_mac64.dmg
>> >> >>
>> >> >> InstallPath: /Applications/j64-701
>> >> >>
>> >> >> In this version I'm pleased to confirm that studio > labs... works
>> just
>> >> >> fine.
>> >> >>
>> >> >> Björn says:
>> >> >>
>> >> >> > After installing the labs you restart JHS server and refresh the
>> >> browser.
>> >> >>
>> >> >> I didn't do that for j64-701 -- and it still worked.
>> >> >>
>> >> >> However, taking the hint, I've gone back to j701 (32-bit) and
>> >> >> restarted both the server and the jijx browser page.
>> >> >> Now studio > labs... works in j701 also !!
>> >> >>
>> >> >> I've no way of telling whether it was due to restarting j701, or
>> >> >> running j64-701 successfully in-between.
>> >> >>
>> >> >>
>> >> >> On Mon, Nov 28, 2011 at 9:02 PM, Ian Clark <earthspo...@gmail.com>
>> >> wrote:
>> >> >> > Coming back to j701 jhs after a long break, I have reinstalled it
>> >> afresh:
>> >> >> >
>> >> >> >   JVERSION
>> >> >> > Engine: j701/2011-01-10/11:25
>> >> >> > Library: 7.01.040
>> >> >> > Platform: Darwin 32
>> >> >> > Installer: j701a_mac_intel.dmg
>> >> >> > InstallPath: /Applications/j701
>> >> >> >
>> >> >> > I next installed all addons by typing:
>> >> >> >   install 'all'
>> >> >> > Pacman (accessed via menu: link > jal) confirms that all addons are
>> >> >> > installed and up to date.
>> >> >> >
>> >> >> > However, menu: studio > labs --does not work and gives the message:
>> >> >> > ---
>> >> >> > No labs installed.
>> >> >> > Do pacman studio/labs install and try again.
>> >> >> >
>> >> >> > Labs are interactive tutorials and are a good
>> >> >> > way to learn J.
>> >> >> >
>> >> >> > Labs are not always current with the latest system
>> >> >> > and may run with minor errors that can be ignored.
>> >> >> > ---
>> >> >> >
>> >> >> > Do labs actually work yet in jhs? Or has something recently broken?
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> > On Sun, Nov 6, 2011 at 12:28 PM, Gary Robinson <gary...@me.com>
>> >> wrote:
>> >> >> >> Hi,
>> >> >> >>
>> >> >> >> I am trying J for the first time this morning. I quickly got hung
>> up
>> >> >> though, because the installation docs suggest trying Studio|Labs.
>> When I
>> >> >> try to access it, it says
>> >> >> >>
>> >> >> >>  No labs installed.
>> >> >> >>  Do pacman labs/labs install and try again.
>> >> >> >>
>> >> >> >> If I type
>> >> >> >>
>> >> >> >>  pacman labs/labs install
>> >> >> >>
>> >> >> >> into the J console, nothing seems to happen. And if I subsequently
>> >> try
>> >> >> Studio|Labs again, I get the same error message as before.
>> >> >> >>
>> >> >> >> Anyone have any ideas?
>> >> >> >>
>> >> >> >> --
>> >> >> >>
>> >> >> >> Gary Robinson
>> >> >> >> CTO
>> >> >> >> Emergent Discovery, LLC
>> >> >> >> personal email: gary...@me.com
>> >> >> >> work email: grobin...@emergentdiscovery.com
>> >> >> >> Company: http://www.emergentdiscovery.com
>> >> >> >> Blog:    http://www.garyrobinson.net
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> ----------------------------------------------------------------------
>> >> >> >> 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
>> >> ----------------------------------------------------------------------
>> >> 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
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

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