module Pocketwatch

Constants

VERSION

Public Class Methods

parse(args) click to toggle source

Parse an argument list for configuration options

@param args [Array<String>] the array of input arguments, typically `ARGV`

@return [Hash] the options hash

# File lib/pocketwatch.rb, line 21
def self.parse(args)
  options = {}

  parser = OptionParser.new do |opts|
    opts.banner = "Usage: pocketwatch [options] -- <command>"

    opts.on("-v", "--version", "Print the version number") do
      puts Pocketwatch::VERSION
      exit
    end

    opts.on("-n INTERVAL", Integer, "Length in seconds between command execution") do |v|
      unless v.positive?
        warn "Must provide a positive integer for the command execution interval."
        exit
      end

      options[:interval] = v
    end
  end

  parser.parse!(args)

  options
end

start(args) click to toggle source

Parse the ARGV input and run the command watcher.

@param args [Array<String>] the array of input arguments, typically `ARGV`

@return [void]

# File lib/pocketwatch.rb, line 11
def self.start(args)
  options = parse(args)
  Watcher.new(args.join(" "), options).run
end