tArgs = {...}
textutils.tabulate(tArgs)
X1 = tonumber(tArgs[1])
X2 = tonumber(tArgs[4])
Y1 = tonumber(tArgs[2])
Y2 = tonumber(tArgs[5])
Z1 = tonumber(tArgs[3])
Z2 = tonumber(tArgs[6])
block = tArgs[7]
if X1 <= X2 then
  lowerX = X1
  upperX = X2
  print(lowerX)
  print(upperX)
else
  lowerX = X2
  upperX = X1
  print(lowerX)
  print(upperX)
end
if Y1 <= Y2 then
  lowerY = Y1
  upperY = Y2
  print(lowerY)
  print(upperY)
else
  lowerY = Y2
  upperY = Y1
  print(lowerY)
  print(upperY)
end
if Z1 <= Z2 then
  lowerZ = Z1
  upperZ = Z2
  print(lowerZ)
  print(upperZ)
else
  lowerZ = Z2
  upperZ = Z1
  print(lowerZ)
  print(upperZ)
end
print("Begin block replacement")
for X = lowerX,upperX,1 do
  print("X+1")
  for Y = lowerY,upperY,1 do
        print("Y+1")
        for Z = lowerZ,upperZ,1 do
          commands.setBlock(X,Y,Z,block)
          print("Is a block set?")
        end
  end
end
print("Filling complete")