Module: Pantheios::Util::ProcessUtil

Defined in:
lib/pantheios/util/process_util.rb

Overview

process utilities

Class Method Summary collapse

Class Method Details

.derive_process_name(dollar0 = nil, **options) ⇒ Object

  • Options:

    • :style

      (:script, :script_basename, :script_dirname, :script_realpath, :script_stem) directs

    the inference of the process name. If none specified, :script_stem is assumed



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# File 'lib/pantheios/util/process_util.rb', line 12

def self.derive_process_name dollar0 = nil, **options

  dollar0  ||=  $0

  style  =  options[:style] || :script_stem

  case style
  when :script

    dollar0
  when :script_basename

    File.basename(dollar0)
  when :script_dirname

    File.basename(File.realpath(File.dirname(dollar0)))
  when :script_realpath

    File.realpath(File.dirname(dollar0))
  when :script_stem

    bn = File.basename(dollar0)

    bn =~ /\.rb$/ ? $` : bn
  else

    warn "#{self.class}##{__method__}: ignoring unrecognised type/value for ':style': '#{style}' (#{style.class})"

    dollar0
  end
end