Sedsed can debug, indent, tokenize and HTMLize your SED scripts. In debug mode it adds extra commands to you script, revealing all the magic SED does on its internal buffers. In indent mode your script is reformatted and in tokenize mode you can see the elements of every command you use. In HTMLize mode your script is converted to a beautiful colored HTML file. With sedsed you can master ANY sed script. No more secrets, no more hidden buffers.