Compare text file line by line : Text Read Write « File Input Output « Java

Compare text file line by line

Compare text file line by line

* Copyright 2004 The Apache Software Foundation
*   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
*   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.
//based on Apache technology

import java.util.List;

public class Diff
    public static void readersAsText(Reader r1, String name1, Reader r2, String name2,
        List diffs)
        throws IOException
        LineNumberReader reader1 = new LineNumberReader(r1);
        LineNumberReader reader2 = new LineNumberReader(r2);
        String line1 = reader1.readLine();
        String line2 = reader2.readLine();
        while (line1 != null && line2 != null)
            if (!line1.equals(line2))
                diffs.add("File \"" + name1 + "\" and file \"" +
                    name2 + "\" differ at line " + reader1.getLineNumber() +
                    ":" + "\n" + line1 + "\n" + line2);
            line1 = reader1.readLine();
            line2 = reader2.readLine();
        if (line1 == null && line2 != null)
            diffs.add("File \"" + name2 + "\" has extra lines at line " +
                reader2.getLineNumber() + ":\n" + line2);
        if (line1 != null && line2 == null)
            diffs.add("File \"" + name1 + "\" has extra lines at line " +
                reader1.getLineNumber() + ":\n" + line1);


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2.Load File As Text
3.Load file content to List
4.Load file line by line
5.Java File Generator
6.Writing delimited text data to a file or a stream
7.Searches case sensitively in a file
8.To Hex String and char
9.CRLF Print Writer
10.CRLF Terminated Reader
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12.Gets the content from a File as String Array List
13.Dump a String to a text file with encoding.
14.Load a text file contents as a String.
15.An iterator that breaks text into lines. The result is equal to BufferedReader.readLine().
16.Read and return the entire contents of the supplied File.
17.Allows reading and writing to a plain text file via a list of lines.Allows reading and writing to a plain text file via a list of lines.
18.Text File Handler