Read ID3 info over SSH via Ruby

sshid3.rb

require 'net/sftp'
require 'mp3info'
require 'stringio'

io = StringIO.new

Net::SFTP.start('host.com', 'username', :password => 'password', :port => 22) do |sftp|
  f = sftp.file.open("/path/to/file.mp3", "r")
  
  begin
    # Read in 1024byte chunks
    io << f.read(1024)
    # Mp3Info.open will throw an error if it hasn't read enough data
    id3 = Mp3Info.open(io)
    break
  rescue
    # Rescue from the error and repeat the loop
    next
  end while io.size < 2097152 # Don't ever read more than 2MB of data
  
  f.close()
  
  puts id3.tag
end