test

monitors = {
peripheral.wrap("monitor_0");
peripheral.wrap("monitor_1");
}
for o=1,#monitors do
monitors[o].setBackgroundColor(colors.black)
monitors[o].clear()
end
liste1 = {}
 function buildgui()
  for p=1,#monitors do
    actmonitor = p
   color("b","black")
   monitors[p].clear()
   local w,h = monitors[p].getSize()
   --Default GUI
   monitors[p].setCursorPos(1,1)
   color("b","blue")
   monitors[p].setCursorPos(1,1)
    for i=0,w do
     monitors[p].write(" ")
    end
   monitors[p].setCursorPos(1,1)
   monitors[p].write(" CodersOS - CID:"..os.getComputerID())
   monitors[p].setCursorPos(1,2)
    for i=2,h do
     monitors[p].setCursorPos(1,i)
     monitors[p].write(" ")
    end
     monitors[p].setCursorPos(1,h)
    for i=1,w do
     monitors[p].write(" ")
    end
  --END basic
  --INHALT
    inhalt()
   color("b","blue")
   monitors[p].setCursorPos(w,1)
    for i=1,h do
     monitors[p].setCursorPos(w,i)
     monitors[p].write(" ")
    end

   end
 end

 function color(tb,clr)
 if tb=="b" then
  if clr=="black" then
   monitors[actmonitor].setBackgroundColor(colors.black)
   elseif clr=="blue" then
    monitors[actmonitor].setBackgroundColor(colors.blue)
     elseif clr=="white" then
      monitors[actmonitor].setBackgroundColor(colors.white)
       elseif clr=="green" then
        monitors[actmonitor].setBackgroundColor(colors.green)
         elseif clr=="red" then
          monitors[actmonitor].setBackgroundColor(colors.red)
  end
   elseif tb=="t" then
    if clr=="black" then
     monitors[actmonitor].setTextColor(colors.black)
      elseif clr=="blue" then
       monitors[actmonitor].setTextColor(colors.blue)
        elseif clr=="white" then
         monitors[actmonitor].setTextColor(colors.white)
          elseif clr=="green" then
           monitors[actmonitor].setTextColor(colors.reen)
            elseif clr=="red" then
             monitors[actmonitor].setBackgroundColor(colors.red)
     end
   end

 end

 function inhalt()
  color("b","black")
  monitors[actmonitor].setCursorPos(3,3)
  color("b","white")
  color("t","black")
  monitors[actmonitor].write("   Pinnwand   ".."Anzahl:"..#liste1)
  color("b","black")
  color("t","white")
  for i=1,#liste1 do


   monitors[actmonitor].setCursorPos(3,i+4)
   monitors[actmonitor].write(i..". "..liste1[i])

  end
 end

 function additem()
 term.write("Neues Item: ")
  inpt = io.read()
 liste1[(#liste1+1)]= inpt
 end

 function removeitem()
  term.write("Welche Nummer?:")
  inpt = io.read()
  help=""
  --for i=inpt,#liste1 do
   --liste1[i]=tostring(liste1[i+1])
  --end
  table.remove(liste1,inpt)
 end

 function menu()
  term.clear()
  term.setCursorPos(1,1)
  term.write("Was wollen sie tuen(add/remove/clear):")
   sel =io.read()
  if sel=="add" then
  additem()
  elseif sel =="remove" then
  removeitem()
  buildgui()
   elseif sel =="clear" then
    for i=1,#liste1 do
     table.remove(liste1,#liste1)
    end
    buildgui()
 end


 end

function getvalues()


end
while true do
buildgui()
menu()
end