Contents

#!/usr/bin/env ruby

require 'open3'
require 'pp'
require 'json'

class Shell
  def self.execute(command)
    stdout, stderr, status = Open3.capture3(ENV, command)
    status = status.exitstatus
  rescue StandardError => error
    stdout = ""
    stderr = error.message
    status = 1
  ensure
    return stdout, stderr, status
  end
end


class Command

  REGEX = {
    :comment             => /^\s*#/,
    :empty_line          => /^\s*$/,
    :variables           => /[A-Z_]+=[^\s]+[\s]/,
    :trailing_whitespace => /\s+$/
  }

  def initialize(string)
    @command = string
  end

  def is_empty_line?
    @command =~ REGEX[:empty_line]
  end

  def is_comment?
    @command =~ REGEX[:comment]
  end

  def has_variables?
    @command =~ REGEX[:variables]
  end

  def get_variables
    @command.scan(REGEX[:variables])
  end

  def get_comment
    @command.gsub(REGEX[:comment], '')
  end

  def to_s
    return @command unless has_variables?
    command = @command
    get_variables.each do |variable|
      command.gsub!(variable, '')
      key, value = variable.split('=')
      value = value.gsub!(REGEX[:trailing_whitespace], '')
      ENV[key] = value
    end
    command
  end

  def execute
    stdout, stderr, status = Shell.execute(to_s)
    hash = {
      :timestamp => Time.now.to_f,
      :stdout    => stdout,
      :stderr    => stderr,
      :status    => status,
      :command   => to_s
    }
  end

end

counter = 0

STDIN.each_line do |line|
  command = Command.new(line.chomp)

  if command.is_empty_line?
    next
  end

  if command.is_comment?
    # puts "# comment:#{command.get_comment}"
    next
  end

  command.get_variables.each do |variable|
    # puts "# setup env var: #{variable}"
    next
  end

  counter += 1

  hash = command.execute
  hash[:count] = counter

  puts hash.to_json

end

Version data entries

26 entries across 26 versions & 1 rubygems

Version	Path
ix-cli-0.0.6	bin/ix-run
ix-cli-0.0.5	bin/ix-run
ix-cli-0.0.4	bin/ix-run
ix-cli-0.0.3	bin/ix-run
ix-cli-0.0.2	bin/ix-run
ix-cli-0.0.1	bin/ix-run