Bash Printer by Totoro

uni = require('unicode')
event = require('event')
inet = require('internet')
com = require('component')
gpu = com.gpu
printer = com.printer

width, height = gpu.getResolution()
dist = '-'
for i=1, width-2 do dist = dist..'=' end
dist = dist..'-'

print("Press any key to get.")

function checkPaper()
  while printer.getPaperLevel() == 0 do
    print("[ERROR] No paper! 'Q' to cancel, any key to continue...")
    while true do
      name, add, a, b, c, d = event.pull(2)
      if name == 'key_down' then
        if b == 16 then return false
        else break end
      end
    end
  end
  while printer.getInkLevel() == 0 do
    print("[ERROR] No ink! 'Q' to cancel, any key to continue...")
    while true do
      name, add, a, b, c, d = event.pull(2)
      if name == 'key_down' then
        if b == 16 then return false
        else break end
      end
    end
  end
  return true
end

while true do
  name, add, a, b, c, d = event.pull(2)
  if name == 'key_down' then
    if b == 16 then break
    elseif b == 25 then
      print('[>>> Printing quote <<<]')
      if checkPaper() then
        printer.newPage()
        printer.setPageTitle("Totoro Inc.")
        y = 1
        q = uni.upper(q)
        for i=1, uni.len(q) do
          -- type
          c = uni.sub(q, i, i)
          if c == 'Ё' then printer.write('Е')
          elseif c ~= '\n' then printer.write(c) end
          -- rewind
          if i%25 == 0 or c == '\n' then
            y = y+1
            -- new page
            if y>21 then
              y = 1
              printer.endPage()
              if checkPaper() then
                printer.newPage()
              end
            end
            printer.setCursorPos(1,y)
          end
        end
        printer.endPage()
      end
    end

    print(dist)
    q = ''

    for line in inet.request('http://bash.im/forweb/?u') do
      q = q..line
    end

    q = string.gsub(q, '.*1em 0;">', '')
    q = string.gsub(q, "<' %+ '/div>.*", '')
    q = string.gsub(q, "<' %+ 'br.?.?>", '\n')
    q = string.gsub(q, "&quot;", '"')
    q = string.gsub(q, "&lt;", '<')
    q = string.gsub(q, "&gt;", '>')
    q = string.gsub(q, "&#39;", "'")

    print(q)
  end
end