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Articles related to ruby calling external programs

Capturing the Return Value of an External Program
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
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
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 left ...
http://ruby.about.com/od/advancedruby/a/The-Exec-Method.htm
The Interactive Ruby Prompt - About.com
Ruby statements can be run and the output and return values can be ... in Ruby 1.9.1 · Capturing the Return Value of an External Program · How to Install Ruby ...
http://ruby.about.com/od/tutorials/a/commandline_4.htm
Is the "Require" Method Overlooked in Ruby? - About.com
... in Ruby. It allows you to import other source files into your programs. ... In Ruby , the require method is used to load another file and execute all its statements.
http://ruby.about.com/od/rubyfeatures/a/require.htm
Accessing Ruby Environment Variables - About.com
Using environment variables in Ruby. ... The environment variable will be passed onto the program as its run, but not saved. Any further invocations of the program will not have ... How to Add an External HD to the XBox One · By Eric Qualls.
http://ruby.about.com/od/rubyfeatures/a/envvar.htm
Beginning Ruby - About.com
If you're just getting to know Ruby, these articles will tell you what you need to know to get ... What Every Coder Should Know About Running Ruby Scripts.
http://ruby.about.com/od/beginningruby/
Automation with Net::SSH (Secure Shell) - Ruby - About.com
Net::SSH is a way for Ruby to interact with SSH (Secure Shell) protocol. It relies on the OpenSSL ... To see if OpenSSL is installed, run the following command. ruby -ropenssl -e 'puts ... Cool Software Lets You See What You'll Look Like in 20 Yea...
http://ruby.about.com/od/networking/qt/netssh.htm
Using the Command Line in Ruby - Tutorial - About.com
How to use the command line interface on Windows, Linux and OS X to run Ruby scripts and use the interactive Ruby program.
http://ruby.about.com/od/tutorials/ss/commandline.htm
OptionParser--Parsing Command-line Options the Ruby Way
Ruby comes equipped with a powerful and flexible tool to parse ... You only have to write the command-line switch, its arguments, the code to run when it's encountered, and the command-line ... file end # This displays the help screen, all program...
http://ruby.about.com/od/advancedruby/a/optionparser.htm
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