Size Range Filter 

Apache Commons IO is a java library with simple IO utilities and filters. This requires the library commons-io-2.1.jar to be in classpath. The following example shows using FileFilterUtils.sizeRangeFileFilter() API. It returns a filter that returns TRUE if the file size is within the given range.

File Name  :   com/bethecoder/tutorials/commons_io/tests/filters/SizeRangeFilterTest.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.commons_io.tests.filters; import java.io.File; import java.io.FileFilter; import java.io.IOException; import org.apache.commons.io.filefilter.FileFilterUtils; public class SizeRangeFilterTest {   /**    * @param args    * @throws IOException     */   public static void main(String[] args) {     File directory = new File("C:/input");          File[] files = directory.listFiles((FileFilter)         FileFilterUtils.sizeRangeFileFilter(0, 1024));         //Range in bytes inclusive           for (File file : files) {          System.out.println(file + " " + file.length() + " byte(s)");      }   } }

C:\input\db.png 547 byte(s)
C:\input\hidden_file.txt 1 byte(s)
C:\input\readonly_file.txt 1 byte(s)
C:\input\writable_file.txt 1 byte(s)