dmchk/greeb

#!/usr/bin/env ruby

require 'ostruct'
require 'optparse'

if File.exists? File.expand_path('../../.git', __FILE__)
  $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
end

require 'greeb'

options = OpenStruct.new(input: STDIN, output: STDOUT)

optparse = OptionParser.new do |opts|
  opts.banner = 'Usage: %s [options] command' % $PROGRAM_NAME

  opts.on '-i', '--input [file]', 'Input file' do |input|
    options.input = File.open(input)
    at_exit { options.input.close }
  end

  opts.on '-o', '--output [file]', 'Output file' do |output|
    options.output = File.open(output)
    at_exit { options.output.close }
  end

  opts.on_tail '-h', '--help', 'Just display this help' do
    puts opts
    exit
  end

  opts.on_tail '-v', '--version', 'Just print the version infomation' do
    puts 'Greeb %s' % Greeb::VERSION
    exit
  end
end

optparse.parse!

text = options.input.read.tap(&:chomp!)

Greeb[text].each do |span|
  next if [:space, :break].include? span.type
  options.output.puts text[span.from...span.to]
end