View difference between Paste ID: TVht54Zb and nLZRUxZH

 --This is the classroom monitor setup routine
 --written by Matt Kelliher
 --
 -- Useage: <program_name> [-d] [-A|-R|-G|-B|-P] <text>
 -- If you would like to see debugging comments on the terminal then pass in the -d
 -- option when you run this program before your text
 local tArgs = { ... }
 assert( #tArgs >= 1, "Useage: <program_name> [-d] <text>" )
 
 --Parse the flags:
 local param1 = tArgs[1]
 local param2 --optional
 local param3 --optional
 if #tArgs >= 2 then param2 = tArgs[2] end
 if #tArgs >= 3 then param3 = tArgs[3] end
 
 --Now figure out if the debug flag was set
 local debug = false
 local GLOBALtext = ""
 if param1 == "-d" then
   debug = true
   assert( #tArgs >= 2, "Useage: <program_name> [-d] <text>" )
   GLOBALtext = param2
 else
   GLOBALtext = param1
 end
 
 
 --First: we assume there are 4 equal-sized
 --monitors in the room connected to the network
 --we'll find them on the network,
 --give them names based on color, and
 --wrap them with a variable
 local Rmon, Gmon, Bmon, Pmon = peripheral.find("monitor", function(name, object) return object.isColor() end)
 
 --We'll also get the dimensions of the monitors
 --and store them (we'll assume all monitors are
 --the same number of columns and rows)
 local monRows, monColumns
 
 --A useful function for centering text
 --on a monitor from the ComputerCraft forums
-  print("MaxCols: "..MaxCols.." MaxRows: "..MaxRows)
+
   local w, h = mon.getSize() or term.getSize()
-    print("LoopStartBuffer: "..stBuffer.." ("..string.len(stBuffer)..")")
+
-    t=read() --pause to debug
+
     mon.write( text)
   else
     mon.setCursorPos( math.ceil( w/2 - #text/2 ), y )
     term.write( text )
-      print("found no space before EOL")
+
 end
 
 --A function that wraps text on monitor
-      mon.setCursorPos(1,rowCount) --center later
+
-      --print("SetCursorPos(1,"..rowCount..")")
+
   --size is an optional parameter,
-      mon.write(wl) --center this later
+
-      --print("Wrote:"..wl)
+
 
   if size > 0 then mon.setTextScale(size) end
 
-        --print("Set Buffer to EOL")
+
   local stBuffer = text
   local rowCount = 1
-        --print("Set Buffer to:"..stBuffer.." ("..string.len(stBuffer)..")")
+
   if debug then print("MaxCols: "..MaxCols.." MaxRows: "..MaxRows) end
   while string.len(stBuffer) > 0 and rowCount <= MaxRows do
-      print("found space at: "..space)
+    if debug then
       print("LoopStartBuffer: "..stBuffer.." ("..string.len(stBuffer)..")")
       t=read() --pause to debug
     end
 
-      print("Word: "..word)
+
-      repeat
+
-        s=read() --pause to debug
+
     if space == nil or space >= MaxCols then
-        print("Sentence: "..sentence.." ("..string.len(sentence)..")")
+      if debug then print("found no space before EOL") end
       --This is the easiest case: we didn't
       --find a space before the End-of-Line MaxCols
       --so just print a substring up to EOL
       --For Left Justify: mon.setCursorPos(1,rowCount)
       if debug then print("SetCursorPos(1,"..rowCount..")") end
-          print("Set Buffer to:"..stBuffer.." ("..string.len(stBuffer)..")")
+
       --mon.write(wl) --center this later
       centerPrint(wl,rowCount,mon)
       if debug then print("Wrote:"..wl) end
       if (MaxCols + 1) > (string.len(stBuffer)) then
-          print("nextspace: nil")
+
         stBuffer = ""
-          print("nextspace: "..nextspace)
+        if debug then print("Set Buffer to EOL") end
       else
         stBuffer = string.sub(stBuffer, MaxCols + 1)
         if debug then print("Set Buffer to:"..stBuffer.." ("..string.len(stBuffer)..")") end
-        print("nextword: "..word.." ("..string.len(word)..")")
+
     else
       if debug then print("found space at: "..space) end
       local sentence = ""
-      mon.setCursorPos(1, rowCount)
+
-      print("SetCursorPos(1, "..rowCount..")")
+
       local word = string.sub(stBuffer,1,space)
-        mon.write(sentence..word)
+      if debug then print("Word: "..word) end
-        print("Wrote sen+word:"..sentence..word.." ("..#sentence+#word..")")
+      repeat
         sentence = sentence..word
         if debug then
           print("Sentence: "..sentence.." ("..string.len(sentence)..")")
-            print("Cleared the buffer")
+          s=read() --pause to debug
         end
         --test that we don't go past the end
-          print("Set Buffer to:"..stBuffer.." ("..string.len(stBuffer)..")")
+
           stBuffer = ""
         else
-        mon.write(sentence)
+
-        print("Wrote sen:"..sentence.." ("..#sentence..")")
+          if debug then print("Set Buffer to:"..stBuffer.." ("..string.len(stBuffer)..")") end
         end
 
         nextspace = string.find(stBuffer, " ")
         if nextspace == nil then
           if debug then print("nextspace: nil") end
         else
           if debug then print("nextspace: "..nextspace) end
         end
 
---Have a Function to setup monitors where you
+
         if debug then print("nextword: "..word.." ("..string.len(word)..")") end
 
-function setupMonitor(mon, xcolor)
+
 
       --LEFT JUSTIFY: mon.setCursorPos(1, rowCount)
       if debug then print("SetCursorPos(1, "..rowCount..")") end
       if nextspace == nil then
         --mon.write(sentence..word)
         centerPrint(sentence..word,rowCount,mon)
-  --mon.write("Welcome to Beyond Minecraft 101!")
+        if debug then print("Wrote sen+word:"..sentence..word.." ("..#sentence+#word..")") end
-  --centerPrint("Welcome to Beyond Minecraft 101!", 1, mon)
+
-  --printCenter(mon,"Welcome to Beyond Minecraft 101!")
+
-  printCenterWrap(mon, "Welcome to Beyond Minecraft 101 Class!", 3)
+
             if debug then print("Cleared the buffer") end
         else
           stBuffer = string.sub(stBuffer,string.len(word)+1)
           if debug then print("Set Buffer to:"..stBuffer.." ("..string.len(stBuffer)..")") end
         end
       else
         --mon.write(sentence)
         centerPrint(sentence,rowCount,mon)
         if debug then print("Wrote sen:"..sentence.." ("..#sentence..")") end
-    setupMonitor(Rmon, colors.red)
+
-    --now assign the size of the first monitor
+
-    --to be the size of all monitors
+
-    monCols, monRows = Rmon.getSize()
+
     --increment row counter
     rowCount = rowCount + 1
---[[
+
 
-    setupMonitor(Gmon, colors.green)
+
 
 
 --Have a Function to clear monitors where you
-    setupMonitor(Bmon, colors.blue)
+
 --and the colors.color you want it to be
 function clearMonitor(mon, xcolor)
   mon.clear()
-    setupMonitor(Pmon, colors.purple)
+
   mon.setCursorPos(1,1)
   mon.setBackgroundColor(xcolor)
---]]
+
   mon.setCursorPos(1,1)
   --printCenterWrap(mon, "Welcome to Beyond Minecraft 101 Class!", 3)
 end
 
 --This function will display text on all monitiors at once
 function displayOnAll(text, size)
   if size == nil then size = 0.5 end
   if Rmon then
     clearMonitor(Rmon, colors.red)
     printCenterWrap(Rmon, text, size)
   end
   if Gmon then
     clearMonitor(Gmon, colors.green)
     printCenterWrap(Gmon, text, size)
   end
   if Bmon then
     clearMonitor(Bmon, colors.blue)
     printCenterWrap(Bmon, text, size)
   end
   if Pmon then
     clearMonitor(Pmon, colors.purple)
     printCenterWrap(Pmon, text, size)
   end
 end
 
 --This function sets up the initial settings
 --for the monitors with their colors
 --and a blank screen displayed
 function initMonitors()
   --Determine which of the 4 monitors we have
   --on our network and set them up accordingly
   if Rmon then
     clearMonitor(Rmon, colors.red)
     print("Connected Red Monitor")
   end
   if Gmon then
     clearMonitor(Gmon, colors.green)
     print("Connected Green Monitor")
   end
   if Bmon then
     clearMonitor(Bmon, colors.blue)
     print("Connected Blue Monitor")
   end
   if Pmon then
     clearMonitor(Pmon, colors.purple)
     print("Connected Purple Monitor")
   end
 end
 
 
 --This is our main control function
 --to run the program
 function main()
   initMonitors()
   if GLOBALtext ~= "test" then
     displayOnAll(GLOBALtext, 3)
   else
     displayOnAll("Welcome to the Beyond Minecraft 101 Class!", 3)
   end
 
 end
 
 --Now kick-off our main program:
 main()