Patch bug pipe
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@ -53,8 +53,8 @@ int main()
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dup2(my_pipe[0], STDIN_FILENO);
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else if (index == 0)
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dup2(my_pipe[1], STDOUT_FILENO);
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//close(my_pipe[0]);
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//close(my_pipe[1]);
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close(my_pipe[0]);
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close(my_pipe[1]);
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execvp(args[0], args);
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return 0;
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