Java tutorial
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; class Main { public static void main(String args[]) throws Exception { FileReader fr = new FileReader(args[0]); BufferedReader br = new BufferedReader(fr); StreamTokenizer st = new StreamTokenizer(br); st.whitespaceChars(',', ','); while (st.nextToken() != StreamTokenizer.TT_EOF) { switch (st.ttype) { case StreamTokenizer.TT_WORD: System.out.println(st.lineno() + ") " + st.sval); break; case StreamTokenizer.TT_NUMBER: System.out.println(st.lineno() + ") " + st.nval); break; default: System.out.println(st.lineno() + ") " + (char) st.ttype); } } fr.close(); } }