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Aug 19th, 2018
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  1. Sending ETX to NSTask
  2. NSString *cmdScan = [NSString stringWithFormat:@"%c", 3];
  3. [inputHandle writeData: [cmdScan dataUsingEncoding:NSUTF8StringEncoding]];
  4.  
  5. [task interrupt];
  6.  
  7. #include <signal.h>
  8. kill(task.processIdentifier, SIGINT);
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