remove() Instance Public methods Removes the last List.

separator(string) Instance Public methods Add separator in summary.

summarize(to = [], width = @summary_width, max = width - 1, indent = @summary_indent, &blk) Instance Public methods Puts option summary into to and returns to. Yields each line if a block is given. to Output destination, which must have method <<. Defaults to []. width Width of left side, defaults to @summary_width. max Maximum length allowed for left side, defaults to width - 1. indent Indentation, defaults to @summary_indent.

terminate(arg = nil) Instance Public methods Terminates option parsing. Optional parameter arg is a string pushed back to be the first non-option argument.

to_a() Instance Public methods Returns option summary list.

to_s() Instance Public methods Alias for: help

top() Instance Public methods Subject of on / on_head, accept / reject

ver() Instance Public methods Returns version string from #program_name, version and release.

version() Instance Public methods Version

warn(mesg = $!) Instance Public methods