import com.darwinsys.lang.GetOpt;
/** Trivial demonstration of GetOpt, the old way. If -h present, print help.
* @author Ian F. Darwin, http://www.darwinsys.com/
* @version $Id: GetOptSimple.java,v 1.4 2004/02/09 03:33:48 ian Exp $
*/
public class GetOptSimple {
public static void main(String[] args) {
GetOpt go = new GetOpt("h");
char c;
while ((c = go.getopt(args)) != 0) {
switch(c) {
case 'h':
helpAndExit(0);
break;
default:
System.err.println("Unknown option in " +
args[go.getOptInd()-1]);
helpAndExit(1);
}
}
System.out.println();
}
/** Stub for providing help on usage
* You can write a longer help than this, certainly.
*/
static void helpAndExit(int returnValue) {
System.err.println("This would tell you how to use this program");
System.exit(returnValue);
}
}
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