def run
config[:script_path] ||= Array(Chef::Config[:script_path])
config[:script_path] << File.join(Chef::Knife.chef_config_dir, 'scripts') if Chef::Knife.chef_config_dir
config[:script_path] << File.join(ENV['HOME'], '.chef', 'scripts') if ENV['HOME']
scripts = Array(name_args)
context = Object.new
Shef::Extensions.extend_context_object(context)
if config[:exec]
context.instance_eval(config[:exec], "-E Argument", 0)
elsif !scripts.empty?
scripts.each do |script|
file = find_script(script)
context.instance_eval(IO.read(file), file, 0)
end
else
script = STDIN.read
context.instance_eval(script, "STDIN", 0)
end
end