diff -r ab474ef0a0ac -r fd6de53a0d6e src/jdk.internal.le/share/classes/jdk/internal/jline/console/history/FileHistory.java
--- a/src/jdk.internal.le/share/classes/jdk/internal/jline/console/history/FileHistory.java	Thu Sep 13 01:49:48 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,135 +0,0 @@
-/*
- * Copyright (c) 2002-2016, the original author or authors.
- *
- * This software is distributable under the BSD license. See the terms of the
- * BSD license in the documentation provided with this software.
- *
- * http://www.opensource.org/licenses/bsd-license.php
- */
-package jdk.internal.jline.console.history;
-
-import java.io.BufferedOutputStream;
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.FileReader;
-import java.io.Flushable;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.PrintStream;
-import java.io.Reader;
-
-import jdk.internal.jline.internal.Log;
-import static jdk.internal.jline.internal.Preconditions.checkNotNull;
-
-/**
- * {@link History} using a file for persistent backing.
- * <p/>
- * Implementers should install shutdown hook to call {@link FileHistory#flush}
- * to save history to disk.
- *
- * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
- * @since 2.0
- */
-public class FileHistory
-    extends MemoryHistory
-    implements PersistentHistory, Flushable
-{
-    private final File file;
-
-    /**
-     * Load a history file into memory, truncating to default max size.
-     */
-    public FileHistory(final File file) throws IOException {
-        this(file, true);
-    }
-
-    /**
-     * Create a FileHistory, but only initialize if doInit is true. This allows
-     * setting maxSize or other settings; call load() before using if doInit is
-     * false.
-     */
-    public FileHistory(final File file, final boolean doInit) throws IOException {
-        this.file = checkNotNull(file).getAbsoluteFile();
-        if (doInit) {
-            load();
-        }
-    }
-
-    /**
-     * Load history from file, e.g. if using delayed init.
-     */
-    public void load() throws IOException {
-        load(file);
-    }
-
-    public File getFile() {
-        return file;
-    }
-
-    public void load(final File file) throws IOException {
-        checkNotNull(file);
-        if (file.exists()) {
-            Log.trace("Loading history from: ", file);
-            FileReader reader = null;
-            try{
-                reader = new FileReader(file);
-                load(reader);
-            } finally{
-                if(reader != null){
-                    reader.close();
-                }
-            }
-        }
-    }
-
-    public void load(final InputStream input) throws IOException {
-        checkNotNull(input);
-        load(new InputStreamReader(input));
-    }
-
-    public void load(final Reader reader) throws IOException {
-        checkNotNull(reader);
-        BufferedReader input = new BufferedReader(reader);
-
-        String item;
-        while ((item = input.readLine()) != null) {
-            internalAdd(item);
-        }
-    }
-
-    public void flush() throws IOException {
-        Log.trace("Flushing history");
-
-        if (!file.exists()) {
-            File dir = file.getParentFile();
-            if (!dir.exists() && !dir.mkdirs()) {
-                Log.warn("Failed to create directory: ", dir);
-            }
-            if (!file.createNewFile()) {
-                Log.warn("Failed to create file: ", file);
-            }
-        }
-
-        PrintStream out = new PrintStream(new BufferedOutputStream(new FileOutputStream(file)));
-        try {
-            for (Entry entry : this) {
-                out.println(entry.value());
-            }
-        }
-        finally {
-            out.close();
-        }
-    }
-
-    public void purge() throws IOException {
-        Log.trace("Purging history");
-
-        clear();
-
-        if (!file.delete()) {
-            Log.warn("Failed to delete history file: ", file);
-        }
-    }
-}