Convert RSpec failed examples.txt to line numbers

examples-to-lines.rb

require 'bundler/setup'
require 'rspec'

$LOAD_PATH.unshift(File.join(Dir.pwd, 'spec'))

ids = `grep '| failed' spec/examples.txt | sed 's/|.*//'`.lines(chomp: true).map(&:rstrip)

# Require each file
ids.each { |failure| require_relative failure.split('[')[0] }

# Print example locations
RSpec.world.all_examples.each do |example|
  puts example.metadata[:location] if ids.include?(example.id)
end