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✏️ 正在编辑: pid-i.yaml
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/opt/alt/ruby18/share/ri/1.8/system/IO/pid-i.yaml
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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns the process ID of a child process associated with <em>ios</em>. This will be set by <tt>IO::popen</tt>. - !ruby/struct:SM::Flow::VERB body: " pipe = IO.popen("-")\n if pipe\n $stderr.puts "In parent, child pid is #{pipe.pid}"\n else\n $stderr.puts "In child, pid is #{$$}"\n end\n" - !ruby/struct:SM::Flow::P body: <em>produces:</em> - !ruby/struct:SM::Flow::VERB body: " In child, pid is 26209\n In parent, child pid is 26209\n" full_name: IO#pid is_singleton: false name: pid params: | ios.pid => fixnum visibility: public
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