Delete Notice

file = fs.open("signs","r")
m = textutils.unserialize(file.readAll())
file.close()
print("Which file would you like to delete?")
for i, v in pairs(m) do
print(i)
end
name = read()
print("Message deleted.")
m[name] = nil
write = fs.open("signs","w")
write.write(textutils.serialize(m))
write.close()
shell.run("hub")