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 ...
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 ...
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 ...
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.
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 ...
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 ...
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 ...
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 ...
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 ...