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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7.  
  8. 	private static String output(InputStream inputStream) throws IOException {
  9. 		StringBuilder sb = new StringBuilder();
  10. 		BufferedReader br = null;
  11. 		try {
  12. 			br = new BufferedReader(new InputStreamReader(inputStream));
  13. 			String line = null;
  14. 			while ((line = br.readLine()) != null) {
  15. 				sb.append(line + System.getProperty("line.separator"));
  16. 			}
  17. 		} finally {
  18. 			br.close();
  19. 		}
  20. 		return sb.toString();
  21. 	}
  22.  
  23. 	public static void main (String[] args) throws java.lang.Exception
  24. 	{
  25. 		ProcessBuilder builder = new ProcessBuilder("ls -l");
  26.  
  27.     	try {
  28.         	Process p = builder.start();
  29.         	System.out.println("Output from 'ls -l':\n" + output(p.getInputStream()));
  30.  
  31.     	} catch (IOException e) {
  32.         	System.out.println("There's a problem.");
  33.     	}	
  34.  
  35. 	}
  36. }
Success #stdin #stdout 0.24s 320896KB
comments (?)
stdin 
Standard input is empty
stdout 
There's a problem.
https://ideone.com/m2Hq3j
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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