shell = require("shell")
comp = require("component")
w = comp.debug.getWorld()
a = shell.parse(...)

function quit(msg)
  print(msg)
  a = 0 / 0
end

requirements = (#a > 6 and #a % 2 == 0)
if not requirements then quit("Usage: <x> <y> <z> <x> <y> <z> <id1> <data1> [<id2> <data2>...]") end
x1 = tonumber(a[1])
y1 = tonumber(a[2])
z1 = tonumber(a[3])
x2 = tonumber(a[4])
y2 = tonumber(a[5])
z2 = tonumber(a[6])
if not (x1 and y1 and z1 and x2 and y2 and z2) then quit("All coords must be numeric") end
blocks = {}
for b = 7, #a, 2 do
  block = {id = tonumber(a[b]), data = tonumber(a[b+1])}
  if not block.data then block.data = 0 end
  if not block.id then quit("All numbers required") end
  blocks[#blocks+1] = block
  print("{id=" .. block.id .. ", data=" .. block.data .. "}")
end

if x2 < x1 then x1, x2 = x2, x1 print(x1 .. " " .. x2) end
if y2 < y1 then y1, y2 = y2, y1 print(y1 .. " " .. y2) end
if z2 < z1 then z1, z2 = z2, z1 print(z1 .. " " .. z2) end

blockN = -1
for x = x1, x2 do
  for z = z1, z2 do
    for y = y1, y2 do
      os.sleep(0)

      blockN = (blockN + 1) % #blocks
      block = blocks[blockN + 1]
      w.setBlock(x, y, z, block.id, block.data)
    end
  end
end