timm

#|
The LUA programming language supports iterators.

The LUA for loop takes some generate function and asks it to
produce a function that can return the next item.

A loop is then entered. The next item is generated. If it
is non-nil, then the body of the loop is called to consume
that item. 

JosephPecoraro

# Ways to execute a shell script in Ruby
# Example Script - Joseph Pecoraro

cmd = "echo 'hi'" # Sample string that can be used

# 1. Kernel#` - commonly called backticks - `cmd` 
# This is like many other languages, including bash, PHP, and Perl
#   Synchronous (blocking)
#   Returns the output of the shell command
#   Docs: http://ruby-doc.org/core/classes/Kernel.html#M001111