import java.io.File; import java.io.IOException; public class FileRename { public static void main(String args[]) throws IOException { String DIR_PATH = "MyDirectoryPath"; String stringToReplace = "MyStringtoReplaceInFileName"; getFileNames(DIR_PATH, stringToReplace); } public static void getFileNames(String Path, String stringToReplace) throws IOException { File folder = new File(Path); File[] listOfFiles = folder.listFiles(); System.out.println("Total Files :" + listOfFiles.length); for (int i = 0; i < listOfFiles.length; i++) { if (listOfFiles[i].isFile()) { System.out.println("Original File name is : " + listOfFiles[i].getName()); } else if (listOfFiles[i].isDirectory()) { System.out.println("Directory " + listOfFiles[i].getName()); } renameFile(listOfFiles[i], stringToReplace); } } public static void renameFile(File fileItem, String stringToReplace) throws IOException { String fileName = fileItem.getName(); if (fileName.contains(stringToReplace)) { String newName = fileName.replace(stringToReplace, ""); File fileWithNewName = new File(fileItem.getParent(), newName); if (fileWithNewName.exists()) { System.out.println("File cannot be renamed as 2 files exist with same name so deleting 1 file " + fileWithNewName.getName()); fileWithNewName.delete(); } boolean success = fileItem.renameTo(fileWithNewName); System.out.println("New FileName is " + fileWithNewName.getName()); if (!success) { System.out.println("File cannot be renamed " + fileWithNewName.getName()); } } } }
Tags: Java
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