Class: Command

Inherits:
Hash
  • Object
show all
Defined in:
lib/command.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command) ⇒ Command 



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# File 'lib/command.rb', line 6

def initialize command

	if(command.kind_of?(String))
	  self[:input] = command
	  self[:timeout] = 0
	  self[:directory] = ''
	  self[:exit_code] = 0
	  self[:output] = ''
	  self[:error] = ''
	  self[:machine] = ''
	  self[:user] = ''
	  self[:start_time] = nil
	  self[:end_time] = nil
       end

       if(command.kind_of?(Hash))
       	command.each{|k,v|
       		self[k.to_sym]=v
       	}
       end
end

Class Method Details

.machine ⇒ Object 



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# File 'lib/command.rb', line 61

def self.machine
  if !ENV['COMPUTERNAME'].nil? 
return ENV['COMPUTERNAME']
	  end

  machine = `hostname`
  machine = machine.split('.')[0] if machine.include?('.')
	  return machine.strip
end

.user ⇒ Object 



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# File 'lib/command.rb', line 71

def self.user
  ENV['USER'].nil? ? ENV['USERNAME'] : ENV['USER']
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/command.rb', line 28

def execute
	pwd=Dir.pwd
	Dir.chdir(self[:directory]) if(self.has_key?(:directory) && File.exists?(self[:directory]))
	self[:directory] = pwd if(self[:directory].length==0)
	
	self[:machine] = Command.machine
	self[:user] = Command.user

	self[:start_time]=Time.now
	timer=Timer.new
	if self[:input].include?('<%') && self[:input].include?('%>')
	  ruby = self[:input].gsub("<%","").gsub("%>","")

	  begin
	  	puts "eval(#{ruby})"
	    self[:output]=eval(ruby)
	  rescue
	  	puts "unable to eval(#{ruby})"
	  	raise "unable to eval(#{ruby})"
	  end

	  self[:elapsed] = timer.elapsed_str
	  self[:end_time] = Time.now
	else
		self[:output] = `#{self[:input]}`
		self[:elapsed] = timer.elapsed_str
		self[:end_time] = Time.now
		self[:exit_code]=$?.to_i
	end

       Dir.chdir(pwd) if pwd != Dir.pwd
end

#to_html ⇒ Object 



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# File 'lib/command.rb', line 75

def to_html
  [
  	'<h2>',
  	self[:input],
  	'</h2>',
    '<ul>',
    map { |k, v| ["<li><strong>#{k}</strong>", v.respond_to?(:to_html) ? v.to_html : "<span>#{v}</span></li>"] },
    '</ul>'
  ].join
end