pandoc/tools/update-readme.lua

-- update README.md based on MANUAL.txt
-- inserts contents of input-formats and output-formats

local f = assert(io.open("MANUAL.txt", "r"))
local manual = f:read("*all")
mdoc = pandoc.read(manual, "markdown")
f:close()
result = {}

function Div(elem)
    local ident = elem.identifier or ""
    local get = function(el)
                    if el.identifier == ident then
                        result = el
                    end
                end
    if ident == 'input-formats' or ident == 'output-formats' then
      pandoc.walk_block(pandoc.Div(mdoc.blocks), { Div = get })
      return result
    end
end