run shell script in java?

crackthehit007 · #1 (**permalink**) 09-26-2009

hi,
how to run shell script in java?

i have script a.sh which takes 1 argument as input and returns exit code integer.
how to handle it in java.
should i have to invoke process to execute it and then wait til it completes ?

please explain with code

thanks

varontron · #2 (**permalink**) 09-26-2009

haven't done this in a while, but I think it's:

Code:

try {
  java.lang.Process process = java.lang.Runtime.getRuntime().exec("command args");
  int retCode = process.exitValue();
}
catch (Exception e) {  }

If the 'exitValue()' method doesn't work, you may need to use 'getOutputStream()' to get the return value which is piped to stdout.

hth,
dv

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