blackjack

Sensor=peripheral.wrap("top")
Screen=peripheral.wrap("right")
Modem=peripheral.wrap("back")
Disk=peripheral.wrap("left")
SizeX,SizeY=Screen:getSize()
FileName="playermetadata"

Screen:clear()
function Screen:WriteCenter(Text,Line)
  Screen.setCursorPos((SizeX-string.len(Text))/2+1,Line)
  Screen.write(Text)
end

function Screen:WritePos(Text,X,Y)
  Screen.setCursorPos(X,Y)
  Screen.write(Text)
end

function readFile(File)
  local File=io.open(File)
  local Dat=File:read("*a")
  File:close()
  return Dat
end

function writeFile(File,dat)
  local File=io.open(File,"w")
  File:write(dat)
  File:close()
  return true
end

Disk.setDiskLabel("Casino Data")
Mount=Disk:getMountPath()
print("Casino Disk: ",Disk)
FilePath=Mount.."/"..FileName
print("Mount path: ",FilePath)

print("Fetching player metadata...")
MetaData=readFile(FilePath)

-- divide into key:value pairs

local Data,Data_Cnt={},0
for i,v in string.gmatch(MetaData, "(%w+)=(%w+)") do
  Data[i]=tonumber(v)
  Data_Cnt=Data_Cnt+1
  print("Key: ",i,", Value: ",v)
end

writeFile(FilePath,"Test=47 Test2=48")
Disk.setDiskLabel("Casino Metadata (Entries: "..Data_Cnt..")")

Screen:clear()
Screen:WriteCenter("Player Data",1)

local line=4
for i,v in pairs(Data) do
  Screen:WriteCenter(i..": "..v,line)
  line=line+1
end

Modem.open(7417)
Modem.transmit(7417,7417,"METADATA_LOADED")