instance method find_cmd

# File railties/lib/commands/dbconsole.rb, line 22
def find_cmd(*commands)
  dirs_on_path = ENV['PATH'].to_s.split(File::PATH_SEPARATOR)
  commands += commands.map{|cmd| "#{cmd}.exe"} if RUBY_PLATFORM =~ /win32/
  commands.detect do |cmd|
    dirs_on_path.detect do |path|
      File.executable? File.join(path, cmd)
    end
  end || abort("Couldn't find database client: #{commands.join(', ')}. Check your $PATH and try again.")
end