learnxinyminutes-docs/tests/yaml.rb

#!/usr/bin/env ruby
require 'yaml';
$file_count = 0;
markdown_files = Dir["./**/*.html.markdown"]
markdown_files.each do |file|
  begin
    YAML.load_file(file)
    $file_count = $file_count + 1
  rescue Exception => msg
    puts msg
  end
end
files_failed = markdown_files.length - $file_count
if files_failed != 0
  puts "FAILURE!!! #{files_failed} files were unable to be parsed!"
  puts "Please check the YAML headers for the documents that failed!"
  exit 1
else
  puts "Success. All #{$file_count} files were verified valid YAML"
  exit 0
end