shop verwaltung

m=peripheral.wrap("top")
c=peripheral.wrap("right")
sn=0 --Shopnumber, ab welchen shop wird begonnen
nn=30
id=100
mem={"Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei","Frei"}


function writeMem()
a=fs.open("mem","r")
for x = 1,nn,1 do
mem[x]=a.readLine()
end
a.close()
mem[id]=user
shell.run("delete mem")

m.clear()
for x = 1,nn,1 do
a=fs.open("mem","a")
a.write(tostring(mem[x]).."\n")
a.close()
end

for x = 1,10,1 do
m.setCursorPos(1,x)
m.write(tostring(x+sn).." "..tostring(mem[x]))
m.setCursorPos(20,x)
m.write(tostring(x+sn+10).." "..tostring(mem[x+10]))
m.setCursorPos(40,x)
m.write(tostring(x+sn+20).." "..tostring(mem[x+20]))
end

end

writeMem()
while true do
event, player, message = os.pullEvent("chat")
if player=="teilch3n" or player=="ecco7777" or player=="Kegler01" or player=="Big_Grantelbart" or player=="erdberbaer11" or player=="CasimirKalfix" or player=="2Zwo2" player=="the_yannik" then
if string.sub(message,1,4) == "shop" then
print(player,": ",message)
id = tonumber(string.sub(message,5,7))
if id > sn and id <= sn + nn then
user = string.sub(message,9)

writeMem()
end
end
end
end