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tex-template-builder/second-pass.lua

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498 B
Lua

function file_exists(name)
local f=io.open(name,"r")
if f~=nil then io.close(f) return true else return false end
end
local function countWords()
local rawText = pandoc.pipe("pdftotext", {"output.pdf", "-"}, "")
return pandoc.pipe("wc", {"-w"}, rawText)
end
return {
{
Meta = function(meta)
if file_exists("output.pdf") then
meta["wordcount"] = countWords()
meta["secondpass"] = true
end
return meta
end,
}
}