CC easy storage turtle

inv=peripheral.wrap("bottom")
termXMax,termYMax=term.getSize()
inv.condense()
function scanItems()
slots=inv.getSizeInventory()
itemInSlot={}
itemByName={}
itemByNum={}
itemById={}
itemByAmount={}
itemListed={}
i2=1
for i=0,slots-1 do
term.clear()
term.setCursorPos(1,1)
term.write("Scan Slot"..tostring(i).." of "..tostring(slots))
itemInSlot[i]=inv.getStackInSlot(i)
sleep(0)
if itemInSlot[i]~=nil then
itemInSlot[i]["slot"]=i
itemByName[itemInSlot[i]["name"]]=itemInSlot[i]

if itemById[itemInSlot[i]["id"]]==nil then
itemByAmount[itemInSlot[i]["id"]]=itemInSlot[i]
itemByNum[i2]=itemByAmount[itemInSlot[i]["id"]]
i2=i2+1
else
itemByAmount[itemInSlot[i]["id"]]["qty"]=itemByAmount[itemInSlot[i]["id"]]["qty"]+itemInSlot[i]["qty"]
end
itemById[itemInSlot[i]["id"]]=itemInSlot[i]
end
end
i=i2
for i2=1,i-1 do
itemByNum[i2]=itemByAmount[itemByNum[i2]["id"]]
end
end

function getItem(id,qty,slot)
inv.pushIntoSlot("up",id,qty,slot)
end

function itemAvarible(id,qty)
itemAvarible=false
if itemByAmount[id]~=nil then
if itemByAmount[id]["qty"]>=qty then
itemAvarible=true
end
end
return itemAvarible
end

scanItems()
term.clear()
pos=1
mem={}
strmem=""
menuSelect=1
itemSelect=2
key=2
while true do
if #keys.getName(key)==1 then
mem[pos]=keys.getName(key)
pos=pos+1
end
if key==57 then
mem[pos]=" "
pos=pos+1
end
if keys.getName(key)=="backspace" then
if pos>1 then
mem[pos-1]=""
pos=pos-1
end
end
if key==203 then
if menuSelect>1 then
menuSelect=menuSelect-1
end
end
if key==205 then
if menuSelect<4 then
menuSelect=menuSelect+1
end
end
if key==200 then
if itemSelect>2 then
itemSelect=itemSelect-1
end
end
if key==200 then
if itemSelect<yPos then
itemSelect=itemSelect+1
end
end

term.setCursorPos(1,1)
strmem=""
yPos=2

for i=1,#mem do
strmem=strmem..mem[i]
end
term.clear()
term.write(strmem)
for i=1,#itemByNum do
if string.find(string.lower(itemByNum[i]["name"]),strmem) then
term.setCursorPos(2,yPos)
term.write(itemByNum[i]["name"])
term.setCursorPos(termXMax-#tostring(itemByNum[i]["qty"]),yPos)
term.write(tostring(itemByNum[i]["qty"]))
itemListed[yPos]=itemByNum[i]
yPos=yPos+1
end
end
term.setCursorPos(1,itemSelect)
term.write(">")
term.setCursorPos(1,termYMax)
if menuSelect==1 then term.write("[Get] Craft  Dispose  addRecipe ") end
if menuSelect==2 then term.write(" Get [Craft] Dispose  addRecipe ") end
if menuSelect==3 then term.write(" Get  Craft [Dispose] addRecipe ") end
if menuSelect==4 then term.write(" Get  Craft  Dispose [addRecipe]") end
event, key=os.pullEvent("key")
end