Are there arrays in Latex(not asking for the way to typeset them but to use for programing)

Posted by drasto on Stack Overflow See other posts from Stack Overflow or by drasto
Published on 2010-04-15T17:41:07Z Indexed on 2010/04/15 17:43 UTC
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Are there arrays in Latex ? I don't mean the way to typeset arrays. I mean arrays as the data structure in latex/tex as a "programming language". I need to store a number of vbox-es or hbox-es in array. Or it may by something like "an array of macros".

More details: I have an environment that should typeset songs. I need to store some songs paragraphs given as arguments to my macro \songparagraph(so I will not typeset them, just store those paragraphs). As I don't know how many paragraphs can by in one particular song I need an array for this... When the environment is closed all the paragraphs will be typeset - but they will be first measured and the best placement for each paragraph will be computed(for example, some paragraphs can be put one aside other in two columns to make the song look more compact and save some space).

Any ides would be welcome. Please if you know about that there are some arrays in latex post a link to some basic documentation, tutorial or just state basic commands.

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