Peripherals identifier

local tArgs = {...}
local location = tostring(tArgs[1]) or nil
local directory = "Peripherals"

local sides = {["front"] = true, ["back"] = true, ["left"] = true, ["right"] = true, ["top"] = true, ["bottom"] = true}

if location == nil or not sides[location] then
  error("Use: " .. shell.getRunningProgram() .. " <Valid side", 0)
elseif not peripheral.isPresent(location) then
  error("Pheripheral isn't found, check side", 0)
end

function source(command)
  return peripheral.call(location, command)
end

local type = source("getType")
if not (local methods = source("getMethods")) then
  error("Command <getmethods> failed", 1)
end

if not fs.isDir(directory) then
  fs.makeDir(directory)
end

if not fs.exsists(directory, "/", type) then
  output = io.open(directory .. "/" .. type, 'w')
  output:write("Savage_Me55iah's Peripheral aid for")
  output:write("\n")
  output:write("Peripheral Type: " .. type)
  output:write("\n")
  output:write("\n")
  output:write("List of methods: ")
  for k,v in pairs(methods) do
    output:write("\n")
    output:write(k .. ": " .. v)
  end
  output:close()
else
  error("List already exsists, to view type: edit " .. directory .. "/" .. type, 0)
end

print("To view list anytime type: edit " .. directory .. "/" .. type)
print("Thank you for using Savage_Me55iah's Peripheral Aid")