Add a version of obsidian2 script

Author: yazug

obsidian2.cc.lua

@@ -0,0 +1,62 @@
+local args = {...}
+help = args[1]
+
+
+function checkBlock(cmp, dig)
+  local got = false
+  for i=1,8 do
+    turtle.select(i)
+    if(cmp()) then
+      if(dig) then
+        got = dig()
+      else
+        got = true
+    end
+  end
+  return got
+end
+
+
+if help == "help" then
+  print("==== Obsidian Miner v1.3 ====")
+  print("By Zach Dyer")
+  print("Just relax let Obsidian Miner mine that pesky obsidian for you.")
+  print(" ")
+  print("USAGE: ")
+  print("1. Place obsidian in the first slot.")
+  print(" ")
+  print("2. Set turtle by any corner of an obsidian vein and type 'obsidian'")
+  
+else
+  
+  local done = false
+  local tries = 0
+
+  if(checkBlock(turtle.compare, null))
+  then
+    done = true
+    print("Please add desired block(s) to slots 1 to 8")
+  end
+
+  while done == false do 
+    checkBlock(turtle.compareDown,turtle.digDown)
+    checkBlock(turtle.compareUp, turtle.digUp)
+    if(checkBlock(turtle.compare, turtle.dig)) then
+      turtle.forward()
+      turtle.turnRight()
+      tries = 0
+    else
+      turtle.turnLeft()
+      tries = tries + 1
+      if tries == 5 then
+        turtle.back()
+      end
+      if tries > 8 then 
+        done = true
+      end
+      
+    end
+  
+  end
+  turtle.select(1)
+end