class Daemons::Optparse
Attributes
usage[R]
Public Class Methods
new(controller)
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# 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('-s', '--shush', 'Silent mode (no output to the terminal)') do |t| @options[:shush] = 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 = <<END -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 end
Public Instance Methods
parse(args)
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Return a hash describing the options.
# File lib/daemons/cmdline.rb, line 62 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