LuaLatex: Difference between `dofile` and `require` when loading lua files











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This is a small question related to the answer given here, https://tex.stackexchange.com/a/201742/17858 which computes the factorial of a number in an external lua file.



documentclass{article}

%directlua{dofile("luatest.lua")}
directlua{require("luatest.lua")}
newcommand*{myluafact}[1]{%
directlua{tex.write(fact(#1))}%
}
begin{document}
test myluafact{5}
end{document}


The code for computing factorial is in luatest.lua again copied from the same link above



function fact (n)
if n == 0 then
return 1
else
return n * fact(n-1)
end
end


The results from using dofile and require are identical on my machine for this particular example.



Is there any technical difference between loading external lua files with require or dofile in general?










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    up vote
    0
    down vote

    favorite












    This is a small question related to the answer given here, https://tex.stackexchange.com/a/201742/17858 which computes the factorial of a number in an external lua file.



    documentclass{article}

    %directlua{dofile("luatest.lua")}
    directlua{require("luatest.lua")}
    newcommand*{myluafact}[1]{%
    directlua{tex.write(fact(#1))}%
    }
    begin{document}
    test myluafact{5}
    end{document}


    The code for computing factorial is in luatest.lua again copied from the same link above



    function fact (n)
    if n == 0 then
    return 1
    else
    return n * fact(n-1)
    end
    end


    The results from using dofile and require are identical on my machine for this particular example.



    Is there any technical difference between loading external lua files with require or dofile in general?










    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      This is a small question related to the answer given here, https://tex.stackexchange.com/a/201742/17858 which computes the factorial of a number in an external lua file.



      documentclass{article}

      %directlua{dofile("luatest.lua")}
      directlua{require("luatest.lua")}
      newcommand*{myluafact}[1]{%
      directlua{tex.write(fact(#1))}%
      }
      begin{document}
      test myluafact{5}
      end{document}


      The code for computing factorial is in luatest.lua again copied from the same link above



      function fact (n)
      if n == 0 then
      return 1
      else
      return n * fact(n-1)
      end
      end


      The results from using dofile and require are identical on my machine for this particular example.



      Is there any technical difference between loading external lua files with require or dofile in general?










      share|improve this question













      This is a small question related to the answer given here, https://tex.stackexchange.com/a/201742/17858 which computes the factorial of a number in an external lua file.



      documentclass{article}

      %directlua{dofile("luatest.lua")}
      directlua{require("luatest.lua")}
      newcommand*{myluafact}[1]{%
      directlua{tex.write(fact(#1))}%
      }
      begin{document}
      test myluafact{5}
      end{document}


      The code for computing factorial is in luatest.lua again copied from the same link above



      function fact (n)
      if n == 0 then
      return 1
      else
      return n * fact(n-1)
      end
      end


      The results from using dofile and require are identical on my machine for this particular example.



      Is there any technical difference between loading external lua files with require or dofile in general?







      luatex






      share|improve this question













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      asked 26 mins ago









      smilingbuddha

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