convert.lua

function entry(metadata)
  local postname = '_posts/' .. metadata.ref .. '.lua'
  local pubdate = os.date("*t", metadata.pubdate)
  print('Processing ' .. postname)
  local convertedname = '_posts/' .. pubdate.year .. '-'
                           .. pubdate.month .. '-'
                           .. pubdate.day .. '-'
                           .. metadata.ref .. '.html'
  print('Converting file into ' .. convertedname)
  local f = assert(io.open(convertedname, 'w'))
  function blogentry(entry)
    io.output(f)
    io.write('---\n')
    io.write('title: ', entry.title, '\n')
    io.write('layout: post\n')
    io.write('---\n')
    io.write(entry.text)
  end
  dofile(postname)
  f:close()
end

function convert(file_name)
  dofile(file_name)
end

convert('blogmeta.lua')
~