call (Archive::Tar::Minitar::Command::CommandHelp)

         # File lib/archive/tar/minitar/command.rb, line 312
    312:     def call(args, opts = {}, ioe = {})
    313:       ioe = CommandPattern.default_ioe(ioe)
    314:
    315:       help_on = args.shift
    316:
    317:       if CommandPattern.command?(help_on)
    318:         ioe[:output] << CommandPattern[help_on].help
    319:       elsif help_on == "commands"
    320:         ioe[:output] << "The commands known to minitar are:\n\nminitar create          Creates a new tarfile.\nminitar extract         Extracts files from a tarfile.\nminitar list            Lists files in the tarfile.\n\nAll commands accept the options --verbose and --progress, which are\nmutually exclusive. In \"minitar list\", --progress means the same as\n--verbose.\n\n--verbose, -V     Performs the requested command verbosely.\n--progress, -P    Shows a progress bar, if appropriate, for the action\nbeing performed.\n\n"
    321:       else
    322:         ioe[:output] << "Unknown command: #{help_on}\n" unless help_on.nil? or help_on.empty?
    323:         ioe[:output] << self.help
    324:       end
    325:
    326:       0
    327:     end