Ruby script for getting system info

bginfo.rb

@user = `whoami`
@system = `scutil --get ComputerName`
@ip = (`ifconfig en0 | grep netmask`).split
@vers = (`sw_vers | grep ProductVersion`).split
@hw_info = `system_profiler`
@up = (`uptime`).split(',')
 
if @vers[1].include?('10.5')
  @hw_name = 'Processor Name'
  @hw_speed = 'Processor Speed'
else
  @hw_name = 'CPU Type'
  @hw_speed = 'CPU Speed'
end
 
puts "User: #{@user}"
puts "Computer: #{@system}"
puts "IP: #{@ip[1]}"
puts "OS Version: #{@vers[1]}"
puts @hw_info.grep(/#{@hw_name}/).to_s.strip
puts @hw_info.grep(/#{@hw_speed}/)[0].to_s.strip
puts @hw_info.grep(/Memory:/)[0].to_s.strip
puts "Uptime: #{@up[0].strip}"