filterfish · April 18, 2009 03:36
diff --git a/append_if_no_such_line.rb b/append_if_no_such_line.rb
 append_if_no_such_line = lambda do |pattern,file,line|
  unless Regexp.new(pattern).match(File.read(file))
    File.open(file, "a") { |f| f.puts line }
  end
 end

 append_if_no_such_line.call('^net.ipv4.conf.default.proxy_arp', '/etc/sysctl.conf', 'whatever')
	append_if_no_such_line = lambda do \|pattern,file,line\|
	unless Regexp.new(pattern).match(File.read(file))
	File.open(file, "a") { \|f\| f.puts line }
	end
	end

	append_if_no_such_line.call('^net.ipv4.conf.default.proxy_arp', '/etc/sysctl.conf', 'whatever')