dk/abcdefghijklmnopqrstuvxyzæøå/bachelorizer/ReadCombi.java



// SPDX-FileCopyrightText: 2025 Jonas Smedegaard <dr@jones.dk>
// SPDX-License-Identifier: GPL-3.0-or-later

package dk.abcdefghijklmnopqrstuvxyzæøå.bachelorizer;

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.io.IOException;
import java.util.List;

/// ReadCombi - read and parse data file
///
/// File reader class slurping and parsing a comma-separated file.
///
/// @version 0.0.1
/// @see <https://moodle.ruc.dk/mod/assign/view.php?id=523186>
public class ReadCombi {

    /// Default constructor
    ///
    /// @param args  command-line arguments or default demo data
    public ReadCombi(final Path path) {

        try {
            // slurp all content at once
            List<String> lines = Files.readAllLines(path);

            for (String line : lines) {
                String[] values = line.split(",");

                for (String value : values) {
                    System.out.print(value + "\t");
                }
                System.out.println();
            }

        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    /// JVM entry point
    ///
    /// @param args  command-line arguments
    public static void main(final String[] args) {

        // first argument, if provided, is the data file path;
        // else use upstream named file in current directory.
        Path path = (args.length > 0)
            ? Paths.get(args[0])
            : Paths.get("combi.txt");

        new ReadCombi(path);
    }
}