sendgmail

#!/usr/bin/env ruby
# Author: Anders Janmyr
require 'rubygems'
require 'optparse'
require 'ostruct'
require 'growl'

# This is the name of the script that is called
PROGRAM_NAME = $0
PROGRAM_VERSION = 1.0

def options
  @options ||= OpenStruct.new
end


# This is the options of the program, see OptionParser
# http://ruby-doc.org/stdlib/libdoc/optparse/rdoc/classes/OptionParser.html
def program_options
  [
          # The values of the array are,
          # [long_option, short_option and parameter, description, code to execute]          
          ['--to', '-t TO', "Send email to recipent",
           lambda { |value| options.to = value }
          ],
          ['--message', '-m MESSAGE', "Include the message.",
           lambda { |value| options.message = value }
          ],
          ['--subject', '-s SUBJECT', "Include the subject.",
           lambda { |value| options.subject = value }
          ],
          ['--verbose', '-v', "Log to standard output.",
           lambda { |value| options.verbose = true }
          ],
          ['--version', '-V', "Display the program version.",
           lambda { |value|
             puts "#{program_name}, version #{PROGRAM_VERSION}"
             exit
           }
          ]
  ]
end

option_parser = OptionParser.new do |opts|
  opts.banner = "#{PROGRAM_NAME} [options] attachments..."
  opts.separator ""
  opts.separator "Options are ..."

  # Add the command on_tail, to make it appear as the last option in the list.
  opts.on_tail("-h", "--help", "-H", "Display this help message.") do
    puts opts
    exit
  end

  program_options.each { |args| opts.on(*args) }
end

begin
  load "#{ENV['HOME']}/.gmail"
rescue LoadError
  puts "You need to have GMAIL_USER and GMAIL_PASSWORD set in file '~/.gmail'"
  exit
end

begin
  # Parse the options and remove them from the ARGV array
  option_parser.parse!
rescue OptionParser::ParseError => error
  puts error.message
  puts option_parser
  exit
end

unless options.to
  puts 'Missing required argument --to or -t'
  puts option_parser
  exit
end

options.subject = 'No subject' unless options.subject
options.message = 'No message' unless options.message

command = "sendemail -o -s smtp.gmail.com:587 -f #{GMAIL_USER} -xu #{GMAIL_USER} -xp #{GMAIL_PASSWORD}"
command += " -t '#{options.to}' -u '#{options.subject}' -m '#{options.message}' "

# Only the non options (the filenames) are left in ARGV
unless ARGV.empty?
  command += " -a #{ARGV.join(' ')}"
end

puts command if options.verbose
system command
Growl.notify "#{options.subject}\n#{options.message}", :icon => :jpeg, :title => "Email sent to #{options.to}"