class Utils::Subprocess
Public Class Methods
new(cmd) { |line, nil, thread| ... }
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# File lib/ssh_scan/subprocess.rb, line 5 def initialize(cmd, &block) # see: http://stackoverflow.com/a/1162850/83386 Open3.popen3(cmd) do |stdin, stdout, stderr, thread| # read each stream from a new thread { :out => stdout, :err => stderr }.each do |key, stream| Thread.new do until (line = stream.gets).nil? do # yield the block depending on the stream if key == :out yield line, nil, thread if block_given? else yield nil, line, thread if block_given? end end end end thread.join # don't exit until the external process is done end end