diffpp - pretty-print diff outputs with GNU enscript


   diffpp currentfile < diff-file


   Diffpp  converts diff(1)-program's output files to a format suitable to
   be printed with GNU enscript(1).  Program annotates  the  changes  with
   enscript's  special  escapes  so  enscript  can  highlight the modified
   portions of the file.  All changed and added  lines  are  printed  with
   gray-background,  deleted lines are marked with minus (`-') characters;
   diffpp prints one minus character for each deleted line.


   The easiest way to use diffpp is to use  it  as  an  input  filter  for
   enscript.   If  an input filter is specified for enscript it is used to
   pre-process the incoming data-stream.  Filtering  does  not  alter  any
   header  strings  or  file-timestamps which might be printed on enscript
   headers; only the incoming data is modified.

   enscript -G2re --filter='rcsdiff %s | diffpp %s' *.c *.h
           Print the changes between current source files and their latest

   enscript -G2re --filter='diff %s~ %s | diffpp %s' *.c *.h
           Print  changes  between  source  files  and  the  corresponding


   diff(1), enscript(1)


   Markku Rossi <mtr@iki.fi> <http://www.iki.fi/~mtr/>


Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.

Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.

Free Software

Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.

Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.

Free Books

The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.

Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.


Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.

Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.