Free Knowledge Resources


Linux Manual Pages


Free Software * Books

Source Code

Free Media

Linux

stag-handle(1p)


NAME

   stag-handle - streams a stag file through a handler into a writer

SYNOPSIS

     stag-handle -w itext -c my-handler.pl myfile.xml > processed.itext
     stag-handle -w itext -p My::Parser -m My::Handler myfile.xml > processed.itext

DESCRIPTION

   will take a Stag compatible format (xml, sxpr or itext), turn the data
   into an event stream passing it through my-handler.pl

ARGUMENTS

   -help|h
       shows this document

   -module|m PERLMODULE
       A module that is used to transform the input events the module
       should inherit from Data::Stag::BaseHandler

   -unit|u NODE_NAME
       (you should always use this option if you specify -m)

       this is the unit that gets passed to the handler/transformer. this
       will get set automatically if you use the the -c, -s or -t options

       multiple units can be set

         -u foo -u bar -u boz

   -writer|w WRITER
       writer for final transformed tree; can be xml, sxpr or itext

   -module|m MODULE
       perl modules for handling events

   -codefile|c FILE
       a file containing a perlhashref containing event handlers - see
       below

   -sub|s PERL
       a perl hashref containing handlers

   -trap|t ELEMENT=SUB

EXAMPLES

     unix> cat my-handler.pl
     {
       person => sub {
           my ($self, $person) = @_;
           $person->set_fullname($person->get_firstname . ' ' .
                              $person->get_lastname);
           $person;
       },
       address => sub {
           my ($self, $address) = @_;
           # remove addresses altogether from processed file
           return;
       },
     }



Opportunity


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.



Education


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.


birds banner