U:RDoc::AnyMethod[iI"get_one_optional_argument:ETI"+Gem::Command#get_one_optional_argument;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"MGet a single optional argument from the command line.  If more than one ;TI"Largument is given, return only the first. Return nil if none are given.;T:
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