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how to execute dos commands using java [ Runtime.getRuntime().exec("cmd.exe /c ") ]

Posted on 2012-12-23
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1,467 Views
Last Modified: 2012-12-24
hi how to achive the following ..

try {
      String Arr[] = {"cmd", "/c","dir","cd C:\\test", "dir"};  

              Process p = Runtime.getRuntime().exec(Arr);
              read(p);
              OutputStream oStream = p.getOutputStream();
              BufferedWriter sWriter = new BufferedWriter(new OutputStreamWriter(oStream));
              sWriter.write("cls");
              sWriter.newLine();
              sWriter.write("dir");
              sWriter.newLine();
              sWriter.write("cd C:/test/hello");
              sWriter.newLine();
              sWriter.write("dir /w");
              sWriter.flush();
              sWriter.close();
              oStream.close();
              read(p);          } catch (IOException e) {
              e.printStackTrace();
          }


private static void read(Process p)
      {
          try{
                String line = null;
                
              
            
              BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
              while((line=input.readLine()) != null) {
                  System.out.println(line);
              }
            

          }
          catch(IOException e1) { e1.printStackTrace(); }
      }
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Question by:nkk1712
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4 Comments
 
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Accepted Solution

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yats earned 500 total points
ID: 38717958
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LVL 6

Expert Comment

by:yats
ID: 38717962
What exactly you are trying?
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Author Comment

by:nkk1712
ID: 38718042
automate the build process for my porject
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LVL 6

Expert Comment

by:yats
ID: 38718069
You can use the below code to list the file and directory:
public class Util {

    public static void main(String[] a) {
        System.out.println("Scouting folder: " + "C:\\");
        listFiles("c:/", true);
    }

    private static void listFiles(String root, boolean iterative) {
        File[] filesList = new File(root).listFiles();
        for (int i = 0; i < filesList.length; ++i) {
                System.out.println("File name: " + filesList[i].getName());
        }
    }

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