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I would like to have a big list with all the lengths that have been defined in my document, along with their values. (Specifically, I'm making a baposter poster and I want to remove the header and replace it with my own inside a headerbox, but the question is more general.) How can I get LaTeX to print all 'em lengths out, either to the log file or on the page?

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latex has no information about the names given to length registers. It could print out the current values of allocated length registers as dimen0.... dimen...300 or however many have been allocated but can not know of declared names like \footskip etc.

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  • Wait, what? Where do those names live, then?
    – E.P.
    Sep 20, 2017 at 13:38
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    @E.P. they live in tex's hash table of defined names but similarly you can not find all the names defined with \newcommand or \def This is quite common, if you write a program in most programming languages, you can not find, from within the program itself, the names of all defined variables.
    – David Carlisle
    Sep 20, 2017 at 14:51
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I suspect you may be after something like package layout

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  • It doesn't appear to get on very well with the baposter class, though.
    – E.P.
    Sep 20, 2017 at 14:19
  • too bad for the baposter class and its users... I am not sure if other package layouts will help either.
    – user4686
    Sep 20, 2017 at 14:24
  • Well, that's why I was asking for something that can print to the log file and which doesn't have to fight the ruling class to get onto the page.
    – E.P.
    Sep 20, 2017 at 14:26
  • if you use geometry it will log some such info (and there may be an option for more details, I forget)
    – user4686
    Sep 20, 2017 at 16:07

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