Getting list of files in documents folder

Question

What is wrong with my code for getting the filenames in the document folder   func listFilesFromDocumentsFolder   - gt   NSString        var theError   NSErrorPointer       let dirs   NSSearchPathForDirectoriesInDomains NSSearchPathDirectory DocumentDirectory  NSSearchPathDomainMask AllDomainsMask  true  as   String      if dirs    nil           let dir   dirs  0  as NSString         let fileList   NSFileManager defaultManager   contentsOfDirectoryAtPath dir  error  theError  as  NSString          return fileList      else          return nil           I thought I read the documents correctly and I am very sure about what is in the documents folder  but  fileList  does not show anything   dir  shows the path to the folder

User · Answer

Swift 5     Get the document directory url let documentsUrl    FileManager default urls for   documentDirectory  in   userDomainMask  first   do          Get the directory contents urls  including subfolders urls      let directoryContents   try FileManager default contentsOfDirectory at  documentsUrl  includingPropertiesForKeys  nil      print directoryContents          if you want to filter the directory contents you can do like this      let mp3Files   directoryContents filter   0 pathExtension     mp3        print  mp3 urls   mp3Files      let mp3FileNames   mp3Files map   0 deletingPathExtension   lastPathComponent       print  mp3 list    mp3FileNames     catch       print error

User · Answer

Apple states about NSSearchPathForDirectoriesInDomains              You should consider using the FileManager methods urls for in   and url for in appropriateFor create   which return URLs  which are the preferred format      With Swift 5  FileManager has a method called contentsOfDirectory at includingPropertiesForKeys options    contentsOfDirectory at includingPropertiesForKeys options   has the following declaration      Performs a shallow search of the specified directory and returns URLs for the contained items    func contentsOfDirectory at url  URL  includingPropertiesForKeys keys   URLResourceKey    options mask  FileManager DirectoryEnumerationOptions       throws - gt   URL      Therefore  in order to retrieve the urls of the files contained in documents directory  you can use the following code snippet that uses FileManager s urls for in   and contentsOfDirectory at includingPropertiesForKeys options   methods   guard let documentsDirectory   FileManager default urls for   documentDirectory  in   userDomainMask  first else   return    do       let directoryContents   try FileManager default contentsOfDirectory at  documentsDirectory  includingPropertiesForKeys  nil  options              Print the urls of the files contained in the documents directory     print directoryContents    catch       print  Could not search for urls of files in documents directory    error          As an example  the UIViewController implementation below shows how to save a file from app bundle to documents directory and how to get the urls of the files saved in documents directory   import UIKit  class ViewController  UIViewController         IBAction func copyFile   sender  UIButton               Get file url         guard let fileUrl   Bundle main url forResource   Movie   withExtension   mov   else   return               Create a destination url in document directory for file         guard let documentsDirectory   FileManager default urls for   documentDirectory  in   userDomainMask  first else   return           let documentDirectoryFileUrl   documentsDirectory appendingPathComponent  Movie mov               Copy file to document directory         if  FileManager default fileExists atPath  documentDirectoryFileUrl path                do                   try FileManager default copyItem at  fileUrl  to  documentDirectoryFileUrl                  print  Copy item succeeded                 catch                   print  Could not copy file    error                                        IBAction func displayUrls   sender  UIButton            guard let documentsDirectory   FileManager default urls for   documentDirectory  in   userDomainMask  first else   return            do               let directoryContents   try FileManager default contentsOfDirectory at  documentsDirectory  includingPropertiesForKeys  nil  options                      Print the urls of the files contained in the documents directory             print directoryContents     may print    or  file    private var mobile Containers Data Application     Documents Movie mov            catch               print  Could not search for urls of files in documents directory    error

User · Answer

A shorter syntax for SWIFT 3  func listFilesFromDocumentsFolder   - gt   String         let fileMngr   FileManager default          Full path to documents directory     let docs   fileMngr urls for   documentDirectory  in   userDomainMask  0  path         List all contents of directory and return as  String  OR nil if failed     return try  fileMngr contentsOfDirectory atPath docs      Usage example   override func viewDidLoad         print listFilesFromDocumentsFolder        Tested on xCode 8 2 3 for iPhone 7 with iOS 10 2  amp  iPad with iOS 9 3

User · Answer

This solution works with Swift 4  Xcode 9 2  and also with Swift 5  Xcode 10 2 1     let fileManager   FileManager default let documentsURL   fileManager urls for   documentDirectory  in   userDomainMask  0  do       let fileURLs   try fileManager contentsOfDirectory at  documentsURL  includingPropertiesForKeys  nil         process files   catch       print  Error while enumerating files   documentsURL path     error localizedDescription        Here s a reusable FileManager extension that also lets you skip or include hidden files in the results   import Foundation  extension FileManager       func urls for directory  FileManager SearchPathDirectory  skipsHiddenFiles  Bool   true   - gt   URL             let documentsURL   urls for  directory  in   userDomainMask  0          let fileURLs   try  contentsOfDirectory at  documentsURL  includingPropertiesForKeys  nil  options  skipsHiddenFiles    skipsHiddenFiles                return fileURLs             Usage print FileManager default urls for   documentDirectory      none

User · Answer

Swift 2 0 Compability  func listWithFilter           let fileManager   NSFileManager defaultManager                 We need just to get the documents folder url     let documentsUrl   fileManager URLsForDirectory  DocumentDirectory  inDomains   UserDomainMask  0  as NSURL      do          if you want to filter the directory contents you can do like this      if let directoryUrls   try  NSFileManager defaultManager   contentsOfDirectoryAtURL documentsUrl  includingPropertiesForKeys  nil  options  NSDirectoryEnumerationOptions SkipsSubdirectoryDescendants            print directoryUrls                                        OR   func listFiles   - gt   String         var theError   NSErrorPointer       let dirs   NSSearchPathForDirectoriesInDomains NSSearchPathDirectory DocumentDirectory  NSSearchPathDomainMask AllDomainsMask  true  as   String      if dirs    nil           let dir   dirs  0          do           let fileList   try NSFileManager defaultManager   contentsOfDirectoryAtPath dir          return fileList as  String           catch                    else          let fileList                return fileList           let fileList            return fileList

User · Answer

Simple and dynamic solution  Swift 5    extension FileManager      class func directoryUrl   - gt  URL          let paths   FileManager default urls for   documentDirectory  in   userDomainMask        return paths first        class func allRecordedData   - gt   URL          if let documentsUrl   FileManager directoryUrl             do               let directoryContents   try FileManager default contentsOfDirectory at  documentsUrl  includingPropertiesForKeys  nil              return directoryContents filter   0 pathExtension     m4a              catch               return nil                       return nil

User · Answer

This code prints out all the directories and files in my documents directory   Some modification of your function   func listFilesFromDocumentsFolder   - gt   String        let dirs   NSSearchPathForDirectoriesInDomains FileManager SearchPathDirectory documentDirectory  FileManager SearchPathDomainMask allDomainsMask  true      if dirs                 let dir   dirs 0          let fileList   try  FileManager default contentsOfDirectory atPath  dir          return fileList      else          let fileList                return fileList           Which gets called by       let fileManager FileManager   FileManager default     let fileList   listFilesFromDocumentsFolder        let count   fileList count      for i in 0   lt count               if fileManager fileExists atPath  fileList i      true                       print  File is   fileList i

[ios] Getting list of files in documents folder

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