#!/usr/bin/ruby

#
## Dir object
#

var current_dir = Dir.new('.');
"Your CWD is: `%s'\n".printf(current_dir.abs_name);


#
## File object
#

var file = File.new(__FILE__);
"The size of file '%s' is %.3f KB\n".printf(file.name, file.size / 1024);


#
## Array object
#

var array = (Array.new("x", "y", "z"));
array.join(", ").say;


#
## Pipe object
#

var pipe_h = Pipe.new('ls', '-x').open_r;

pipe_h.each { |line|
    "'%s': %s".printf(join(' ', pipe_h.parent.command), line);
    break;
}
