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#!/usr/bin/env lua
local gumbo = require "gumbo"
local config = require "pl.config"
local args = require "pl.lapp" [[
Generates an HTML document from another HTML document (huh?).
Options:
-c, --config (default huh.conf) Configuration file
-h, --help Prints this help message to standard output
Arguments:
<input> (optional string) HTML file to process
]]
local conf = assert(config.read(args.config))
local document = assert(gumbo.parseFile(args.input or io.stdin))
local head = assert(gumbo.parseFile(conf.head, {contextElement="head"}))
for _, node in pairs(head.documentElement.childNodes) do
document:adoptNode(node)
document.head:insertBefore(node, document.head.firstChild)
end
document:serialize(io.stdout)
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