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How to execute multiple commands from command prompt through Java?

807580May 23 2010 — edited May 23 2010

Hi,

I want to execute many command line commands from my Java program. I have written the below code:

HashSet<String[]> commandSet = new HashSet<String[]>();
commandSet.add(new String[]{"cmd", "/C", command1});
...
...
commandSet.add(new String[]{"cmd", "/C", command100});

Process P;
Runtime rt = Runtime.getRuntime();
for(String[] command : commandSet){
    P = rt.exec(command);
    P.waitFor();
}

The problem is that it seems very inefficient to open a new command prompt for each command. Is it possible to execute all commands in the same command prompt?

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Locked on Jun 20 2010

Added on May 23 2010

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