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executing dos commands in java

 
Greenhorn
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I need to run some dos commands in Java.
I tried using the runtime and process classes! heres my code
try
{
Process proc = Runtime.getRuntime().exec("cls");
}
catch(Exception e)
{
System.out.println(e);
}
but this doesnt work.
anyone out there please give me a solution!!!
I need to run a batch file from java and also set path in java!!
waiting!
 
Ranch Hand
Posts: 45
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Originally posted by Niks Narayana:
I need to run some dos commands in Java.
I tried using the runtime and process classes! heres my code
try
{
Process proc = Runtime.getRuntime().exec("cls");
}
catch(Exception e)
{
System.out.println(e);
}
but this doesnt work.
anyone out there please give me a solution!!!
I need to run a batch file from java and also set path in java!!
waiting!



in place of "cls", you should use the batch file name and it should work. For example in window environment, if you put "notepad", it will open notepad.
 
Author and all-around good cowpoke
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6
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Be sure that you consume the stdout and stderr output streams from the process or you will get very odd behavior.
Bill
One of the many articles and tutorials on using exec.
 
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