Class: Daemons::Optparse

### Home Classes Methods

### In Files

- lib/daemons/cmdline.rb

### Parent

Object

### Methods

- ::new
- #parse

### Class/Module Index

Quicksearch

- Daemons
- Daemons::Application
- Daemons::ApplicationGroup
- Daemons::CmdException
- Daemons::Controller
- Daemons::Error
- Daemons::Exception
- Daemons::Monitor
- Daemons::Optparse
- Daemons::Pid
- Daemons::PidFile
- Daemons::PidMem
- Daemons::RuntimeException
- Daemons::SystemError
- Daemons::TimeoutError
- CurrentProcess
- Daemonize
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# Daemons::Optparse

### Attributes

usage[R]

### Public Class Methods

new(controller) click to toggle source

    # File lib/daemons/cmdline.rb, line 5
    def initialize(controller)
      @controller = controller
      @options = {}

      @opts = OptionParser.new do |opts|
        opts.banner = ''

        opts.on('-t', '--ontop', 'Stay on top (does not daemonize)') do |t|
          @options[:ontop] = t
        end

        opts.on('-f', '--force', 'Force operation') do |t|
          @options[:force] = t
        end

        opts.on('-n', '--no_wait', 'Do not wait for processes to stop') do |t|
          @options[:no_wait] = t
        end

        opts.separator ''
        opts.separator 'Common options:'

        # No argument, shows at tail.  This will print an options summary
        opts.on_tail('-h', '--help', 'Show this message') do
          controller.print_usage

          exit
        end

        # Switch to print the version.
        opts.on_tail('--version', 'Show version') do
          puts "daemons version #{Daemons::VERSION}"
          exit
        end
      end

      begin
        @usage = @opts.to_s
      rescue ::Exception # work around a bug in ruby 1.9
        @usage =             -t, --ontop                      Stay on top (does not daemonize)            -f, --force                      Force operation            -n, --no_wait                    Do not wait for processes to stop        Common options:            -h, --help                       Show this message                --version                    Show version
      end
    end

### Public Instance Methods

parse(args) click to toggle source

Return a hash describing the options.

    # File lib/daemons/cmdline.rb, line 58
    def parse(args)
      # The options specified on the command line will be collected in *options*.
      # We set default values here.

      @opts.parse(args)

      @options
    end

[Validate]

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