method

getopts

Ruby latest stable (v2_5_5) - 0 notes - Class: OptionParser

getopts(*args) public

params = ARGV.getopts("ab:", "foo", "bar:", "zot:Z;zot option")
# params["a"] = true   # -a
# params["b"] = "1"    # -b1
# params["foo"] = "1"  # --foo
# params["bar"] = "x"  # --bar x
# params["zot"] = "z"  # --zot Z

Show source

# File lib/optparse.rb, line 1662
  def getopts(*args)
    argv = Array === args.first ? args.shift : default_argv
    single_options, *long_options = *args

    result = {}

    single_options.scan(/(.)(:)?/) do |opt, val|
      if val
        result[opt] = nil
        define("-#{opt} VAL")
      else
        result[opt] = false
        define("-#{opt}")
      end
    end if single_options

    long_options.each do |arg|
      arg, desc = arg.split(';', 2)
      opt, val = arg.split(':', 2)
      if val
        result[opt] = val.empty? ? nil : val
        define("--#{opt}=#{result[opt] || "VAL"}", *[desc].compact)
      else
        result[opt] = false
        define("--#{opt}", *[desc].compact)
      end
    end

    parse_in_order(argv, result.method(:[]=))
    result
  end

getopts

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