How to use

addVariableSystemWide

method

in

weka.core.Environment

/**
 * Add a a variable to the internal map of this properties object and to the
 * global system-wide environment;
 * 
 * @param key the name of the variable
 * @param value its value
 */
public void addVariableSystemWide(String key, String value) {
 addVariable(key, value); // local
 // system wide
 if (this != getSystemWide()) {
  getSystemWide().addVariableSystemWide(key, value);
 }
 System.setProperty(key, value);
}

/**
 * Add a a variable to the internal map of this properties object and to the
 * global system-wide environment;
 * 
 * @param key the name of the variable
 * @param value its value
 */
public void addVariableSystemWide(String key, String value) {
 addVariable(key, value); // local
 // system wide
 if (this != getSystemWide()) {
  getSystemWide().addVariableSystemWide(key, value);
 }
 System.setProperty(key, value);
}

 NATIVE_LIBS_DIR = new File(wh + File.separator + NATIVE_LIBS_DIR_NAME);
} else {
 env.addVariableSystemWide("WEKA_HOME", WEKA_HOME.toString());

 NATIVE_LIBS_DIR = new File(wh + File.separator + NATIVE_LIBS_DIR_NAME);
} else {
 env.addVariableSystemWide("WEKA_HOME", WEKA_HOME.toString());