Peripheral Info

-- Usage: pastebin run Lqn82CnT side
-- Where "side" is one of the block's sides

args = {...}
selected_side = args[1]
sides = peripheral.getNames()

-- This function reads a Lua function and returns its arguments
function getFunctionArguments (fn)
  local args = {}

  -- Gets data about the function
  local info = debug.getinfo(fn)

  -- Processes each of the arguments (might not work for Peripherals though)
  for i = 1, info.nparams, 1 do
    table.insert(args, debug.getlocal(fn, i))
  end

  -- Done
  return args
end

-- Gets a list of methods pretty-printed and sorted
function getPeripheralMethods (side)
  -- Gets methods
  local methods = peripheral.getMethods(side)

  -- Sorts
  table.sort(methods)

  -- Pretty-prints
  local results = {}
  for _, method in pairs(methods) do
    -- Gets the method
    local fn = selected_peripheral[method]

    -- Gets args list
    local args = getFunctionArguments(fn)

    -- Prints it
    table.insert(results, string.format('%s(%s)', method, table.concat(args, ', ')))
  end

  -- Done
  return results
end

-- Prints a formatted string
function printf (format, ...)
  print(string.format(format, ...))
end

-- Lists available peripherals
printf('Available Sides/Peripherals:')

-- Side detection
for _, side in pairs(sides) do
  -- Debug
  printf('-> %s', side)

  -- Check for a monitor on that side
  if (not monitor) and 'monitor' == peripheral.getType(side) then
    monitor = peripheral.wrap(side)
  end

  -- Check for connection with selected side
  if side == selected_side then
    -- Wrap the peripheral
    selected_peripheral = peripheral.wrap(side)
  end
end

-- Checks if a side was provided
if not selected_side then
  printf('No side provided!')
  return 1
elseif not selected_peripheral then
  printf('Invalid peripheral!')
  printf('Side: %s', selected_side)
  return 1
end

-- Route stdout to monitor
if monitor then
  term.redirect(monitor)
  monitor.setTextScale(0.5)
end

-- Clears output and prepares to write
term.clear()
term.setCursorPos(1, 1)

-- Starts getting info
printf('Peripheral API Info')
printf('Side: %s', selected_side)
printf('Type: %s', peripheral.getType(selected_side))

-- Gets available methods
print('')
print(table.concat(getPeripheralMethods(selected_side), '\n'))