public String[] getEnv() {
RubyHash hash = (RubyHash) runtime.getObject().fastGetConstant("ENV");
int i=0;
String[] env = new String[hash.size()];
for (Iterator<Entry<Object, Object>> iter = hash.directEntrySet().iterator(); iter.hasNext(); i++) {
Map.Entry<Object, Object> entry = iter.next();
env[i] = entry.getKey().toString() + "=" + entry.getValue().toString();
}
return env;