net.openhft.chronicle.queue.internal.main.InternalRemovableRollFileCandidatesMain Maven / Gradle / Ivy

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Java library for persisted low latency messaging (Java 8+)

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/*
 * Copyright 2016-2022 chronicle.software
 *
 *       https://chronicle.software
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.openhft.chronicle.queue.internal.main;

import net.openhft.chronicle.queue.util.FileUtil;

import java.io.File;

public final class InternalRemovableRollFileCandidatesMain {
    /**
     * Produces a list of removable roll file candidates and prints
     * their absolute path to standard out row-by-row.
     *
     * @param args the directory. If no directory is given, "." is assumed
     */
    public static void main(String[] args) {
        final File dir;
        if (args.length == 0) {
            dir = new File(".");
        } else {
            dir = new File(args[0]);
        }
        FileUtil.removableRollFileCandidates(dir)
                .map(File::getAbsolutePath)
                .forEach(System.out::println);
    }
}