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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Reads all of the lines in <em>ios</em>, and returns them in <em>anArray</em>. Lines are separated by the optional <em>sep_string</em>. If <em>sep_string</em> is <tt>nil</tt>, the rest of the stream is returned as a single record. The stream must be opened for reading or an <tt>IOError</tt> will be raised. - !ruby/struct:SM::Flow::VERB body: " f = File.new("testfile")\n f.readlines[0] #=> "This is line one\\n"\n" full_name: IO#readlines is_singleton: false name: readlines params: | ios.readlines(sep_string=$/) => array visibility: public