A ruby-driven utility for light interaction with an amazon S3 server

s3con.rb

#!/usr/bin/env ruby
require 'aws/s3'

def help
  puts "S3Console usage:\n"
  puts "s3con <bucket>"
  exit
end

help if ARGV.empty?
bucket = ARGV.first

AWS::S3::Base.establish_connection!(
  :access_key_id     => '',
  :secret_access_key => ''
)
include AWS::S3

puts bucket

while true
  print "> "
  cmd = STDIN.gets.chomp.split ' '
  
  case cmd[0]
  when 'rm'
    puts " => #{S3Object.delete cmd[1], bucket}"
  when 'ls'
    Bucket.find(bucket).objects.sort {|x,y| x.last_modified <=> y.last_modified}.each do |o|
      puts "#{o.key.ljust(15)} \033[1;31m#{(o.size/1024).to_s.rjust(7)}\033[0m kB #{o.content_type.to_s.rjust(10)} #{o.last_modified.to_s.ljust(25)}"
    end
  when 'connect'
    bucket = cmd[1]
    puts " => bucket = #{cmd[1]}"
  when 'bucket'
    puts " => #{bucket}"
  when 'open'
    `open #{S3Object.url_for(cmd[1], bucket)}`
  when 'upload'
    if cmd.length >= 2 && File.exist?(cmd[1]) 
      begin
        S3Object.save cmd[2] || cmd[1], open(cmd[1]), bucket
        puts " => true"
      rescue
        puts " => false\n[error uploading to S3]"
      end
    else
      if cmd.length >= 2 && !File.exist?(cmd[1] || "")
        puts "#{cmd[1]} doesn't exist"
      else
        puts "usage: upload <file/path> [name_of_file]"
      end
    end
  when 'help'
    puts "  commands:\n    rm <file>\n    ls\n    connect <bucket>\n    bucket\n    upload <file> [new file name]\n    quit"
  when 'quit'
    break
  when 'exit'
    break
  end
end