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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Reads the next ``line'' from the I/O stream; lines are separated by <em>sep_string</em>. A separator of <tt>nil</tt> reads the entire contents, and a zero-length separator reads the input a paragraph at a time (two successive newlines in the input separate paragraphs). The stream must be opened for reading or an <tt>IOError</tt> will be raised. The line read in will be returned and also assigned to <tt>$_</tt>. Returns <tt>nil</tt> if called at end of file. - !ruby/struct:SM::Flow::VERB body: " File.new("testfile").gets #=> "This is line one\\n"\n $_ #=> "This is line one\\n"\n" full_name: IO#gets is_singleton: false name: gets params: | ios.gets(sep_string=$/) => string or nil visibility: public