ruby 調用Linux 系統環境變量,比如
#!/usr/bin/env ruby user = ENV['USER'] hostname = ENV['HOSTNAME'] puts "current user is #{user}" puts "current hostname is #{hostname}"
ruby 調用Linux 系統環境變量,比如
#!/usr/bin/env ruby user = ENV['USER'] hostname = ENV['HOSTNAME'] puts "current user is #{user}" puts "current hostname is #{hostname}"