console

$ ruby pretty-argumenterror.rb
ArgumentError: wrong number of arguments (given 3, expected 2)
from: pretty-argumenterror.rb
    1 | #! /usr/bin/env ruby
    2 |
 -> 3 | def foo(a, b)
    4 | end
    5 |
    6 | begin

pretty-argumenterror.rb

#! /usr/bin/env ruby

def foo(a, b)
end

begin
  foo(1, 2, 3)
rescue => e
  m = /(?<filename>.*?):(?<lineno>\d+):in\s`(?<method>.*)'/.match(e.backtrace.first)
  lineno = m["lineno"].to_i - 3
  puts "#{e.class}: #{e.message}"
  puts "from: #{m["filename"]}"
  IO.foreach(m["filename"]).to_a[lineno, 6].each_with_index do |line, index|
    n = lineno + index + 1
    puts " #{n == m["lineno"].to_i ? "->" : "  "} #{n} | #{line}"
  end
end