Options: (none)

Returns true if newer is newer than all old_list. Non-existent files are older than any file.

FileUtils.uptodate?('hello.o', %w(hello.c hello.h)) or    #       system 'make hello.o'

Source Code

# File fileutils.rb, line 141
def uptodate?(new, old_list, options = nil)
  raise ArgumentError, 'uptodate? does not accept any option' if options

  return false unless File.exist?(new)
  new_time = File.mtime(new)
  old_list.each do |old|
    if File.exist?(old)
      return false unless new_time > File.mtime(old)
    end
  end
  true
end