1. Tech

Articles related to ruby calling external programs

Interacting with External Programs - Ruby - About.com
You've learned how to launch external programs using both system or backticks and using the exec method. These are both fine, but only on one condition: the ...
http://ruby.about.com/od/beginningruby/a/Interacting-With-External-Programs.htm
Capturing the Return Value of an External ... - Ruby - About.com
Ruby makes it easy to run external programs and capture their output. Using the built-in "backtick" operator is as easy as running these programs from the ...
http://ruby.about.com/od/beginningruby/qt/retval.htm
The 'exec' Method - Ruby - About.com
There are several ways to run other programs in Ruby. There is the system> method, backticks, etc. However, they all spawn new processes. If there is nothing ...
http://ruby.about.com/od/advancedruby/a/The-Exec-Method.htm
Is the "Require" Method Overlooked in Ruby? - About.com
The 'require' method is the reusable code mechanism in Ruby. It allows you to import other source files into your programs.
http://ruby.about.com/od/rubyfeatures/a/require.htm
Command-line Arguments in Ruby - About.com
Use command-line arguments to pass parameters to your Ruby scripts from the ... In your Ruby programs, you can access any command-line arguments passed ...
http://ruby.about.com/od/rubyfeatures/a/argv.htm
Accessing Ruby Environment Variables - About.com
Using environment variables in Ruby. ... Environment variables are variables passed to programs by the command line or the graphical shell. Though there are ...
http://ruby.about.com/od/rubyfeatures/a/envvar.htm
What Exactly Is 'Codec', and Why Would I Ever Need It?
Codec programs are required for your media player to play your downloaded music and movies. "Why do we need codecs?" ANS: Because video and music ...
http://netforbeginners.about.com/od/multimedia/f/codec.htm
While, Until, Each and Times Loops in Ruby - About.com
Though the more traditional while and until loops are used in Ruby programs, closure-based loops are more common. It isn't even necessary to understand what ...
http://ruby.about.com/od/rubyfeatures/a/loops_2.htm
A Library of Software written in C# with full source code. - C/C++/C
The C# library holds full source code from example articles, reader submitted code and any code that is in the public domain as well as offsite links to useful ...
http://cplus.about.com/od/codelibraryfo2/

©2015 About.com. All rights reserved.