Re: using Scanner with a bar ("|") delimiter

From:
"cumin" <jkilbourne@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
26 Jan 2007 09:13:08 -0800
Message-ID:
<1169831588.478785.118660@v33g2000cwv.googlegroups.com>
On Jan 26, 11:18 am, "cumin" <jkilbou...@gmail.com> wrote:

When I use "|" as a delimiter, my program seems to take each character
as a new token, instead of tokenizing at the bar. When I use ":" as the
delimiter, I get what I expect when reading "delim.txt".

Am I doing something incorrectly?

"delim.txt":
100:|first:|second:|third
200:|alpha:|beta:|gamma
300:|roy:|gee:|biv

Here is the program:
package scantext;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class TheClass {

        private static void readFile(String filename, String delim) {
                try {
                        File file = new File(filename);
                        Scanner scanner = new Scanner(file);
                        scanner.useDelimiter(System.getProperty("line.separator"));
                        while (scanner.hasNext()) {
                                System.out.println();
                                String theNext = scanner.next();
                                System.out.println(theNext);
                                parseline(theNext, delim);
                        }
                        scanner.close();
                } catch (FileNotFoundException e) {
                        e.printStackTrace();
                }
        }

        public static void parseline(String line, String delim) {
                Scanner lineScanner = new Scanner(line);
                lineScanner.useDelimiter(delim);
                System.out.println("delimiter is >" + lineScanner.delimiter() + "<");
                int a = lineScanner.nextInt();
                String b = lineScanner.next();
                String c = lineScanner.next();
                String d = lineScanner.next();
                System.out.println(
                                "a = " + a +
                                ", b= " + b +
                                ", c = " + c +
                                ", d = " + d);
        }

        public static void main(String[] args) {
                readFile("delim.txt", "|");
                System.out.println();
                readFile("delim.txt", ":");
        }

}The output is:

100:|first:|second:|third
delimiter is >|<
a = 1, b= 0, c = 0, d = :

200:|alpha:|beta:|gamma
delimiter is >|<
a = 2, b= 0, c = 0, d = :

300:|roy:|gee:|biv
delimiter is >|<
a = 3, b= 0, c = 0, d = :

100:|first:|second:|third
delimiter is >:<
a = 100, b= |first, c = |second, d = |third

200:|alpha:|beta:|gamma
delimiter is >:<
a = 200, b= |alpha, c = |beta, d = |gamma

300:|roy:|gee:|biv
delimiter is >:<
a = 300, b= |roy, c = |gee, d = |biv


never mind...

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