Contents

#!/usr/bin/env ruby

require 'optparse'

options = {}

OptionParser.new do |opts|

  opts.banner = "Usage: #{$0} [OPTIONS]"

  opts.on('-r', '--range [RANGE]', 'Range, for example 1..10') do |value|
    options[:range] = value
  end

  opts.on('-l', '--limit [NUMBER]', 'Limit, the max number of times to cycle through the range') do |value|
    options[:limit] = value.to_i
  end

end.parse!

required_options = [:range, :limit]
required_options.each do |option|
  unless options[option]
    $stderr.puts "Can not run #{option.to_s} was not given."
    exit 1
  end
end

class Cycle
  def initialize(range)
    @range = range
    @index = -1
  end

  def next
    @index += 1
    @index = 0 if @index >= @range.size
    @range[@index]
  end
end

range = eval(options[:range]).to_a
cycle = Cycle.new(range)

counter = 0

STDIN.each_line do |line|
  line.chomp!
  # puts "#{line} #{cycle.next}"
  puts cycle.next
  counter += 1
  break if options[:limit] && counter >= options[:limit].to_i
end

Version data entries

10 entries across 10 versions & 1 rubygems

Version	Path
ix-cli-0.0.27	bin/ix-cycle
ix-cli-0.0.26	bin/ix-cycle
ix-cli-0.0.25	bin/ix-cycle
ix-cli-0.0.24	bin/ix-cycle
ix-cli-0.0.23	bin/ix-cycle
ix-cli-0.0.22	bin/ix-cycle
ix-cli-0.0.21	bin/ix-cycle
ix-cli-0.0.20	bin/ix-cycle
ix-cli-0.0.19	bin/ix-cycle
ix-cli-0.0.18	bin/ix-cycle