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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Closes the read end of a duplex I/O stream (i.e., one that contains both a read and a write stream, such as a pipe). Will raise an <tt>IOError</tt> if the stream is not duplexed. - !ruby/struct:SM::Flow::VERB body: " f = IO.popen("/bin/sh","r+")\n f.close_read\n f.readlines\n" - !ruby/struct:SM::Flow::P body: <em>produces:</em> - !ruby/struct:SM::Flow::VERB body: " prog.rb:3:in `readlines': not opened for reading (IOError)\n from prog.rb:3\n" full_name: IO#close_read is_singleton: false name: close_read params: | ios.close_read => nil visibility: public