module Multissh

# File lib/multissh.rb, line 8
def self.run!
  
  command = ARGV.join(' ')
  
  servers = []
  begin
   servers = STDIN.read_nonblock(4096).split(/[\s,]+/).map {|s| s.strip }
  rescue IO::EAGAINWaitReadable => e
    
  end

  unless(servers.size > 0)
    puts "Provide at least one hostname on stdin"
  end

  unless(command.strip.size > 0)
    puts "Provide a command to run as argument"
  end

  SSHKit.config.output_verbosity = Logger::DEBUG
  SSHKit.config.use_format :prettyhost

  on servers do |host|
    execute(command)
  end
end