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Help for getting output of Runtime.getRuntime().exec()

divya g nair
Greenhorn

Joined: Jan 12, 2009
Posts: 2
I have executed the following command to compile a java program.
Runtime.getRuntime().exec("cmd/c start C:/jdk1.4/BIN/javac filename.java");
i got the class files if there is no errors. But I want to read the errorlist if there any.
My code is like this Anyone can help me please.



thanks in advance
Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 41524
    
  53
You may want to read in this article to learn about all the issues you need to be aware of when dealing with Runtime.exec.


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Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 38363
    
  23
Please use the CODE button, and maintain indentation.

Use of Runtime.exec() is slightly easier since the introduction of the ProcessBuilder class, but nobody should go near Runtime.exec() without reading the article Ulf quoted.
 
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