On 7/30/2016 3:04 PM, Joseph Canedo wrote:
If the requirement is to iterate on a table having the keys, values
sorted by key (assuming the keys can be sorted), there are ways to do
this. Please see http://lua-users.org/wiki/SortedIteration for an
example (this just replaces pairs(t) with orderedPairs(t)).
or just in context
for k, v in table.sortedhash(t)
print(k,v)
end
btw,
mtxrun --script foo.lua
has all that on board as well
Hope this helps
Joseph
*De : *Schmitz Thomas A. <mailto:thomas.schm...@uni-bonn.de>
*Envoyé le :*samedi 30 juillet 2016 12:21
*À : *mailing list for ConTeXt users <mailto:ntg-context@ntg.nl>
*Objet :*[NTG-context] lua tables - how do you cope?
This is less a specific question about ConTeXt than a hope for good
advice: I’m maltreating my xml files with a mixture of TeX and Lua. I
want to extract and typeset information in different forms, so I first
collect everything in lua tables, rearrange and order these tables and
typeset the results. All fine and dandy. My problem is that I have to
have tables within tables within tables… you get the picture. One aspect
of Lua that is really bugging me is the fact that associative tables
have no order, which can be a pain in the butt for this kind of
operation. So I have to be careful that I have to use constructs that
will keep the order in which items have been added and loop through them
via ipairs() instead of pairs(). I find it difficult to keep track of
what’s inside my layers upon layers of tables. So my question is: how do
those of you who are more experienced with this kind of question
proceed? Do you have any handy tool to visualize a table? Any tips you
want to share?
Thanks a lot!
Thomas
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