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Java Tutorial » File » Path

11. 3. 11. Filtered Directory Tree


import java.io.File;



class FilteredDirectoryTree {



  public static void main(String args[]) {

    tree(args[0], "txt");

  }



  public static void tree(String filename, String suffix) {

    File file = new File(filename);



    if (!file.isDirectory()) {

      if (suffix == null || filename.endsWith(suffix))

        System.out.println(filename);

      return;

    }

    String files[] = file.list();

    for (int i = 0; i < files.length; i++) {

      tree(filename + File.separator + files[i], suffix);

    }

  }

}

11. 3. Path
	11. 3. 1.	Construct file path
	11. 3. 2.	Absolute path and relative path
	11. 3. 3.	File Objects: specifies a path for a file or a directory
	11. 3. 4.	Using double slash to escape
	11. 3. 5.	Using the second constructor: C:/jdk1.5.0/src/java/io
	11. 3. 6.	Portable Path Considerations
	11. 3. 7.	Absolute and Relative Paths
	11. 3. 8.	Build a relative path to the given base path
	11. 3. 9.	Get relative path
	11. 3. 10.	Universal Naming Convention
	11. 3. 11.	Filtered Directory Tree
	11. 3. 12.	Compare two file paths
	11. 3. 13.	Getting an Absolute Filename Path from a Relative Filename Path
	11. 3. 14.	Getting an Absolute Filename Path from a Relative Filename with Path
	11. 3. 15.	Getting an Absolute Filename Path from a Relative Filename parent Path
	11. 3. 16.	Convert a list of path elements to a platform-specific path.
	11. 3. 17.	Match a path which may contain a wildcard
	11. 3. 18.	Merges the two paths to create a valid version of the second path
	11. 3. 19.	Return the page type extracting it from the path
	11. 3. 20.	Display directory tree
	11. 3. 21.	Get file separator using System class
	11. 3. 22.	Determining If Two Filename Paths Refer to the Same File
	11. 3. 23.	Convert a file path into a File object with an absolute path relative to a passed in root.
	11. 3. 24.	Remove file information from a filename returning only its path component
	11. 3. 25.	Remove path information from a filename returning only its file component
	11. 3. 26.	Strip a filename of its last extension (the portion immediately following the last dot character, if any)
	11. 3. 27.	Remove path and file information from a filename returning only its extension component
	11. 3. 28.	Return a file with the given filename creating the necessary directories if not present.
	11. 3. 29.	Build a path- but do not create it

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