Module: Bash

Defined in:
lib/tailog/ext/bash.rb

Class Method Summary collapse

Class Method Details

.evaluate_string(script) ⇒ Object



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# File 'lib/tailog/ext/bash.rb', line 2

def self.evaluate_string script
  output = []

  Open3.popen3("bash -x -e") do |stdin, stdout, stderr, wait_thr|
    Thread.new do until (line = stdout.gets).nil? do output << [ :stdout, line ] end end
    Thread.new do until (line = stderr.gets).nil? do output << [ :stderr, line ] end end

    stdin.puts script
    stdin.puts "exit"

    wait_thr.join
  end

  output.map do |key, line|
    if key == :stderr && line =~ /^\+ (.*)/
      [:stdin, line]
    else
      [key, line]
    end
  end
end