Java tutorial
import java.io.FileReader; import java.io.StreamTokenizer; class ExtractTokens { public static void main(String[] args) throws Exception { FileReader fr = null; fr = new FileReader(args[0]); StreamTokenizer st = new StreamTokenizer(fr); while (st.nextToken() != StreamTokenizer.TT_EOF) { switch (st.ttype) { case '"': System.out.println("String = " + st.sval); break; case StreamTokenizer.TT_EOL: System.out.println("End-of-line"); break; case StreamTokenizer.TT_NUMBER: System.out.println("Number = " + st.nval); break; case StreamTokenizer.TT_WORD: System.out.println("Word = " + st.sval); break; default: System.out.println("Other = " + (char) st.ttype); } } } }