Sorry, I was not precise enough. I meant updating the manifest.ijs of
labs/labs by increasing its version number in order to trigger a
new built for labs/labs (not the zulu).

Пнд, 17 Сен 2012, Ian Clark писал(а):
> Right, Bill, ...
> 
> In j64-701 I've used Package Manager to download the 2 addons: zulu
> and zulu-lite.
> Then I've added to my local copy of: ~addons/labs/labs/lablist.txt
> the following lines (in the correct place, which is obvious) ...
> 
> Format;Strings conversion package;~addons/format/zulu/zulu.ijt
> Format;Strings conversion package: LITE
> version;~addons/format/zulu-lite/zulu-lite.ijt
> 
> Having done that, I now see the new Labs in JGTK, and can run them.
> They run to completion -- which has validated the 2 addons also under JGTK.
> (In j602 the new labs appear to get installed automatically by Package 
> Manager.)
> 
> But this won't have updated everyone else's lablist.txt ... !!?
> 
> So I've carried out the following task using svn:
> 
> ian-clarks-imac:~ ianclark$ svn checkout
> http://www.jsoftware.com/svn/addons/trunk/ jaddons
> Checked out revision 3771.
>    [...At this point I alter /jaddons/labs/labs/lablist.txt -to
> identify the 2 new labs, inserting the 2 extra lines that have worked
> for me...]
> ian-clarks-imac:~ ianclark$ svn commit jaddons -m "try to update j701:
> lablist.txt"
> Sending        jaddons/labs/labs/lablist.txt
> Transmitting file data .
> Committed revision 3772.
> 
> ...and the following has appeared in:
> http://www.jsoftware.com/jwiki/JAL/Build%20Log
> 2012 9 17 4 28 47 addons no change
> 
> I hope I've done right...?
> ...But there should be enough information here to back out anything
> I've done wrong.
> 
> Ian
> 
> On Mon, Sep 17, 2012 at 3:09 AM, bill lam <bbill....@gmail.com> wrote:
> > For J7 jgtk, you need to add a new entry for your lab in the file
> > labs/lablist.txt and update manifest.ijs to release an updated labs
> > addon.  (untested)
> >
> > Not sure how it works in jhs.
> >
> > Пнд, 17 Сен 2012, Ian Clark писал(а):
> >>    @Emir
> >> A big Thank-you for your set of sample tasks from a bona-fide J
> >> beginner. They come at the right time for me.
> >>
> >> I have just released a new addon: "format/zulu". This offers a
> >> "sandbox" for experimenting with strings in J. It also installs a new
> >> "Lab". See (in j602):
> >>     Menu: Studio > Labs... > Category: format > Strings conversion package
> >> ...which puts the sandbox through its paces.
> >> (Sorry, I can't see the Lab in J701. Maybe it's because I can't see
> >> any "format" category. So you may have to install and run j602 instead
> >> of j701.)
> >>
> >> Near the end of the Lab, viz at:
> >>  ── (31 of 39) TASKS
> >> there's a set of sample tasks with boxed strings. They're much like
> >> yours. Plus my own solutions. (But, I have to admit, my solutions are
> >> not as slick as Raul's.)
> >>
> >> Nevertheless "zulu" might be of help to you. I offer it to you (and
> >> other beginners) in that vein. Your feedback will help me to improve
> >> the Lab.
> >>
> >>    @Raul
> >> Thank you for your solutions to Emir's tasks. Most timely.
> >> As a result I'm going to use some of them in zulu.ijt, if you don't mind.
> >> And if you get time to cast your eye over "format/zulu" I'd welcome
> >> your suggestions.
> >> (Other J-ers, too, especially those teaching J to beginners.)
> >>
> >> NB. "format/zulu" is very much aimed at beginners, especially its Lab.
> >> I expect a Jmaster will die of boredom working thru it.
> >>
> >> On Sun, Sep 16, 2012 at 9:01 PM, Raul Miller <rauldmil...@gmail.com> wrote:
> >> >    s =: ' ';'this';'is';'a';'sentence'
> >> >    (<'is') 0} s
> >> > ┌──┬────┬──┬─┬────────┐
> >> > │is│this│is│a│sentence│
> >> > └──┴────┴──┴─┴────────┘
> >> >    4 ({.,(<'sample'),}.) s
> >> > ┌─┬────┬──┬─┬──────┬────────┐
> >> > │ │this│is│a│sample│sentence│
> >> > └─┴────┴──┴─┴──────┴────────┘
> >> >    1 }. s
> >> > ┌────┬──┬─┬────────┐
> >> > │this│is│a│sentence│
> >> > └────┴──┴─┴────────┘
> >> >    (2 {. s), 3 }.s
> >> > ┌─┬────┬─┬────────┐
> >> > │ │this│a│sentence│
> >> > └─┴────┴─┴────────┘
> >> >    (<'the') (I. s = <,'a')} s
> >> > ┌─┬────┬──┬─┬────────┐
> >> > │ │this│is│a│sentence│
> >> > └─┴────┴──┴─┴────────┘
> >> >    (<'the') (I. s = <'a')} s
> >> > ┌─┬────┬──┬───┬────────┐
> >> > │ │this│is│the│sentence│
> >> > └─┴────┴──┴───┴────────┘
> >> >    s -. <'is'
> >> > ┌─┬────┬─┬────────┐
> >> > │ │this│a│sentence│
> >> > └─┴────┴─┴────────┘
> >> >
> >> > In other words:
> >> >
> >> > 1) yes
> >> > 2) yes
> >> > 3) yes, but be careful
> >> >
> >> > In this case, your s contained five boxes.  Four of those boxes where
> >> > character sequences.  One of them was just a character.  In the
> >> > general case, you need to be aware of the distinction between a
> >> > character (rank 0) and a sequence of characters (rank 1), and you
> >> > especially need to be aware of the distinction between a character and
> >> > a sequence of characters of length 1.  They're different but seem to
> >> > be the same.
> >> >
> >> > This is analogous to the distinction between
> >> >   2
> >> > and
> >> >   3 4 5
> >> >
> >> > The first is just a number, the second is a sequence of numbers...
> >> > And you can have sequences of numbers of length 1, but that's not
> >> > quite the same thing as the number by itself.
> >> >
> >> > --
> >> > Raul
> >> >
> >> > On Sun, Sep 16, 2012 at 3:30 PM, Emir Ustamujic <emir_...@yahoo.com> 
> >> > wrote:
> >> >> Hello,
> >> >>
> >> >> As I'm often working with boxes of strings I have identified several 
> >> >> things that I would like to do with boxed strings but haven't figured 
> >> >> how to do yet as I'm still learning J.
> >> >>
> >> >> [I hope the boxes in the examples don't turn out garbled...]
> >> >>
> >> >>
> >> >> 1. If there is a list of boxed words(strings) how to replace individual 
> >> >> items with another string ?
> >> >>
> >> >> For example I have :
> >> >>  ] s =: ' ';'this';'is';'a';'sentence'
> >> >> ┌─┬────┬──┬─┬────────┐
> >> >> │   │     this│    is│a│         sentence│
> >> >> └─┴────┴──┴─┴────────┘
> >> >> but would like to use something like: 0 boxitemreplace s; 'is' (to 
> >> >> replace the first element which can be a space with 'is)
> >> >> and get this result :
> >> >> ┌──┬────┬──┬─┬────────┐
> >> >> │is   │this      │is   │a │sentence        │
> >> >> └──┴────┴──┴─┴────────┘
> >> >> or something like 2 boxitemreplace s;' ' (to replace the third element 
> >> >> with a space)
> >> >> ┌──┬────┬──┬─┬────────┐
> >> >> │      │this      │     │a │sentence        │
> >> >> └──┴────┴──┴─┴────────┘
> >> >>
> >> >> 2. Insert and Remove
> >> >>
> >> >> For example using the same s =: ' ';'this';'is';'a';'sentence':
> >> >> would it be possible to somehow insert a word at a specific index so: 4 
> >> >> inserttobox s;'sample'
> >> >> would yield
> >> >> ┌─┬────┬──┬─┬──────┬────────┐
> >> >> │   │this     │is    │a │sample     │sentence         │
> >> >> └─┴────┴──┴─┴──────┴────────┘
> >> >>  or remove nth item such as 0 removeitemfrombox s;' '
> >> >> ┌────┬──┬─┬──────┬────────┐
> >> >> │this      │is   │a │sample     │sentence         │
> >> >> └────┴──┴─┴──────┴────────┘
> >> >>
> >> >>
> >> >> 3. And consequently would it be also possible to replace all occurences 
> >> >> of one string value within s with another string and remove all 
> >> >> occurences of one string from a boxed list such as s ?
> >> >>
> >> >> I more or less know how to do this with regular strings such as s=: 
> >> >> 'this is a sentence' but my problem is when dealing directly with boxed 
> >> >> strings and when they contain spaces.
> >> >>
> >> >>
> >> >> Thanks &Regards,
> >> >> Emir
> >> >> ----------------------------------------------------------------------
> >> >> For information about J forums see http://www.jsoftware.com/forums.htm
> >> > ----------------------------------------------------------------------
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> >> ----------------------------------------------------------------------
> >> 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

-- 
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