Is there a shortcut like:
if ((command) = part =~ /#{@pre}\s*(.*?)\s*#{@post}$/s) 
	puts "command: #{command}"
end

instead of:

if (part =~ /#{@pre}\s*(.*?)\s*#{@post}$/s) 
	command = $1
	puts "command: #{command}"
end

thanks,
-joe