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indexdump.java
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1995-08-11
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/*
* @(#)indexdump.java 1.8 95/03/14 David A. Brown
*
* Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*/
package browser.tools.JavaSearch;
import java.io.*;
/** indexdump: utility to view an index file */
class indexdump {
public static void main(String args[]) {
if (args.length != 1) {
System.out.println(" Usage: java indexdump dbname");
return;
}
String filename = args[0] + ".index";
String qfilename = args[0] + ".qindex";
System.out.println("Opening index file '" + filename + "'...");
FileInputStream filein = new FileInputStream(filename);
DataInputStream in = new DataInputStream(filein);
System.out.println("Opening qindex file '" + qfilename + "'...");
FileInputStream qfilein = new FileInputStream(qfilename);
DataInputStream qin = new DataInputStream(qfilein);
// Read the header
String header = in.readLine();
if (!header.equals(Index.indexFileHeader)) {
System.out.println("File "+
filename+" is not an JavaSearch Index file!");
return;
}
// Read all the index entries...
Word w;
int entrycount = 0;
while ((w = Word.readFromStream(in)) != null) {
// Read the entry from qindex that *should* agree with this w
int pos = qin.readInt();
System.out.println(" "+pos+":\t"+w);
entrycount++;
}
System.out.println("Closing index file. Total index entries: " +
entrycount + ".");
filein.close();
}
}