I am getting list of available files and folder in document directory by
NSString *bundleRoot = [[NSBundle mainBundle] bundlePath];
NSArray *dirContents = [[NSFileManager defaultManager]directoryContentsAtPath:bundleRoot];
I want to sprat list of files and folders from "discontents",How can i get such sprat away for files and folders?
To seperate the files and folder use this code
+ (void) seperateFilesAndFolders
{
NSString *basePath = [CacheManager pathForCacheFolder];
NSArray *dirContents = [[NSFileManager defaultManager]directoryContentsAtPath:basePath];
//This will contains directories
NSMutableArray *directories = [[NSMutableArray alloc] init];
//This will contains files
NSMutableArray *files = [[NSMutableArray alloc] init];
for (NSString *str in dirContents)
{
NSString *strFilePath = [basePath stringByAppendingPathComponent:str];
BOOL isDirectory;
if([[NSFileManager defaultManager] fileExistsAtPath:strFilePath isDirectory:&isDirectory])
{
if (isDirectory) {
[directories addObject:str];
}
else {
[files addObject:str];
}
}
}
}
Related
In my app, plist files are being saved to the documents directory, each file name is the current date+time.
I'm loading the list of files from the documents directory to a table: filesTableVC.m.
Each time I want to load the chosen file to a new class: oldFormVC.m
but this class is opened empty.
I'm not sure where the problem is.
filesTableVC.m:
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
oldFormVC *oldForm = [[oldFormVC alloc] initWithNibName:nil bundle:nil];
//load previous data:
// get paths from root direcory
NSArray *paths = NSSearchPathForDirectoriesInDomains (NSDocumentDirectory, NSUserDomainMask, YES);
// get documents path
NSString *documentsPath = [paths objectAtIndex:0];
// get the path to our Data/plist file
NSString *plistPath = [documentsPath stringByAppendingPathComponent:[fileList objectAtIndex:indexPath.row]];
// check to see if Data.plist exists in documents
if (![[NSFileManager defaultManager] fileExistsAtPath:plistPath])
{
// if not in documents, get property list from main bundle
plistPath = [[NSBundle mainBundle] pathForResource:#"Data" ofType:#"plist"];
}
// read property list into memory as an NSData object
NSData *plistXML = [[NSFileManager defaultManager] contentsAtPath:plistPath];
NSString *errorDesc = nil;
NSPropertyListFormat format;
// convert static property liost into dictionary object
NSDictionary *temp = (NSDictionary *)[NSPropertyListSerialization propertyListFromData:plistXML mutabilityOption:NSPropertyListMutableContainersAndLeaves format:&format errorDescription:&errorDesc];
if (!temp)
{
NSLog(#"Error reading plist: %#, format: %d", errorDesc, format);
}
// assign values
self.theDate = [temp objectForKey:#"theDate"];
self.theTime = [temp objectForKey:#"theTime"];
self.carNumber = [temp objectForKey:#"carNumber"];
self.driverName = [temp objectForKey:#"driverName"];
[self presentViewController:oldForm animated:YES completion:nil];
}
oldFormVC.m:
- (void)viewDidLoad
{
[super viewDidLoad];
dateField.text = theDate;
timeField.text = theTime;
carNumberField.text = carNumber;
driverNameField.text = driverName;
}
Write your code in viewDidAppear
- (void)viewDidAppear:(BOOL)animated
{
dateField.text = theDate;
timeField.text = theTime;
carNumberField.text = carNumber;
driverNameField.text = driverName;
}
Also, change this code in filesTableVC.m:
oldForm.dateField = [temp objectForKey:#"theDate"];
oldForm.theTime = [temp objectForKey:#"theTime"];
oldForm.carNumber = [temp objectForKey:#"carNumber"];
oldForm.driverName = [temp objectForKey:#"driverName"];
Hope it helps you
I am working on some file manipulation in iPhone project. Where i need to search files of specific extension. One option is to manually process each file & directory to find.
My Question is, Is there any simple way to do that ?
Thanks
see using NSFileManager you can get the files and bellow the condition with you can get file with particular extension, Its work in Document Directory ..
-(NSArray *)findFiles:(NSString *)extension
{
NSMutableArray *matches = [[NSMutableArray alloc]init];
NSFileManager *manager = [NSFileManager defaultManager];
NSString *item;
NSArray *contents = [manager contentsOfDirectoryAtPath:[NSHomeDirectory() stringByAppendingPathComponent:#"Documents"] error:nil];
for (item in contents)
{
if ([[item pathExtension]isEqualToString:extension])
{
[matches addObject:item];
}
}
return matches;
}
use this array with your searched files.. get the return in NSArray type so use NSArray object to store this data...
i hope this helpful to you...
I have not found any thing which i could say is simple to do that & and finally i have to write my own code to do this. I am posting this here because maybe someone find this help full.
-(void)search{
#autoreleasepool {
NSString *baseDir = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSFileManager *defFM = [NSFileManager defaultManager];
BOOL isDir = YES;
NSArray *fileTypes = [[NSArray alloc] initWithObjects:#"mp3",#"mp4",#"avi",nil];
NSMutableArray *mediaFiles = [self searchfiles:baseDir ofTypes:fileTypes];
NSString *docDir = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSString *filePath = [docDir stringByAppendingPathComponent:#"playlist.plist"];
if(![defFM fileExistsAtPath:filePath isDirectory:&isDir]){
[defFM createFileAtPath:filePath contents:nil attributes:nil];
}
NSMutableDictionary *playlistDict = [[NSMutableDictionary alloc]init];
for(NSString *path in mediaFiles){
NSLog(#"%#",path);
[playlistDict setValue:[NSNumber numberWithBool:YES] forKey:path];
}
[playlistDict writeToFile:filePath atomically:YES];
[[NSNotificationCenter defaultCenter] postNotificationName:#"refreshplaylist" object:nil];
}
}
Now the recursive Method
-(NSMutableArray*)searchfiles:(NSString*)basePath ofTypes:(NSArray*)fileTypes{
NSMutableArray *files = [[[NSMutableArray alloc]init] autorelease];
NSFileManager *defFM = [NSFileManager defaultManager];
NSError *error = nil;
NSArray *dirPath = [defFM contentsOfDirectoryAtPath:basePath error:&error];
for(NSString *path in dirPath){
BOOL isDir;
path = [basePath stringByAppendingPathComponent:path];
if([defFM fileExistsAtPath:path isDirectory:&isDir] && isDir){
[files addObjectsFromArray:[self searchfiles:path ofType:fileTypes]];
}
}
NSArray *mediaFiles = [dirPath pathsMatchingExtensions:fileTypes];
for(NSString *fileName in mediaFiles){
fileName = [basePath stringByAppendingPathComponent:fileName];
[files addObject:fileName];
}
return files;
}
What you need is a recursive method so that you can process sub-directories. The first of the following methods is public; the other private. Imagine they are implemented as static methods of a class called CocoaUtil:
CocoaUtil.h:
#interface CocoaUtil : NSObject
+ (NSArray *)findFilesWithExtension:(NSString *)extension
inFolder:(NSString *)folder;
#end
CocoaUtil.m:
// Private Methods
#interface CocoaUtil ()
+ (NSArray *)_findFilesWithExtension:(NSString *)extension
inFolder:(NSString *)folder
andSubFolder:(NSString *)subFolder;
#end
#implementation CocoaUtil
+ (NSArray *)findFilesWithExtension:(NSString *)extension
inFolder:(NSString *)folder
{
return [CocoaUtil _findFilesWithExtension:extension
inFolder:folder
andSubFolder:nil];
}
+ (NSArray *)_findFilesWithExtension:(NSString *)extension
inFolder:(NSString *)folder
andSubFolder:(NSString *)subFolder
{
NSMutableArray *found = [NSMutableArray array];
NSString *fullPath = (subFolder != nil) ? [folder stringByAppendingPathComponent:subFolder] : folder;
NSFileManager *fileman = [NSFileManager defaultManager];
NSError *error;
NSArray *contents = [fileman contentsOfDirectoryAtPath:fullPath error:&error];
if (contents == nil)
{
NSLog(#"Failed to find files in folder '%#': %#", fullPath, [error localizedDescription]);
return nil;
}
for (NSString *file in contents)
{
NSString *subSubFolder = subFolder != nil ? [subFolder stringByAppendingPathComponent:file] : file;
fullPath = [folder stringByAppendingPathComponent:subSubFolder];
NSError *error = nil;
NSDictionary *attributes = [fileman attributesOfItemAtPath:fullPath error:&error];
if (attributes == nil)
{
NSLog(#"Failed to get attributes of file '%#': %#", fullPath, [error localizedDescription]);
continue;
}
NSString *type = [attributes objectForKey:NSFileType];
if (type == NSFileTypeDirectory)
{
NSArray *subContents = [CocoaUtil _findFilesWithExtension:extension inFolder:folder andSubFolder:subSubFolder];
if (subContents == nil)
return nil;
[found addObjectsFromArray:subContents];
}
else if (type == NSFileTypeRegular)
{
// Note: case sensitive comparison!
if ([[fullPath pathExtension] isEqualToString:extension])
{
[found addObject:fullPath];
}
}
}
return found;
}
#end
This will return an array containing the full path to every file with the specified file extension. Note that [NSString pathExtension] does not return the . of the file extension so be sure not to pass that in the extension parameter.
Yes we have direct method for NSArray below helps you
NSMutableArray *arrayFiles = [[NSMutableArray alloc] initWithObjects:#"a.png", #"a.jpg", #"a.pdf", #"h.png", #"f.png", nil];
NSLog(#"pathsMatchingExtensions----%#",[arrayFiles pathsMatchingExtensions:[NSArray arrayWithObjects:#"png", nil]]);
//my output is
"a.png",
"h.png",
"f.png"
Like this way you can find your specific file extension
NSString *bundleRoot = [[NSBundle mainBundle] bundlePath];
NSFileManager *manager = [NSFileManager defaultManager];
NSDirectoryEnumerator *direnum = [manager enumeratorAtPath:bundleRoot];
NSString *filename;
while ((filename = [direnum nextObject] )) {
if ([filename hasSuffix:#".doc"]) { //change the suffix to what you are looking for
[arrayListofFileName addObject:[filename stringByDeletingPathExtension]];
}
}
Use below code
NSArray *myFiles = [myBundle pathsForResourcesOfType:#"Your File extension"
inDirectory:nil];
Is it possible to upload a .zip file to iCloud, and then have it be synchronized across all of a user's iOS devices?
If so, how would I go about doing this?
If there is any File size limit, then also mention max. file size allowed.
This is how I synchronized zip files with iCloud .
Steps:
1) http://transoceanic.blogspot.in/2011/07/compressuncompress-files-on.html
. Refer this link to download zip api which is having code for zipping and unzipping folder.
2) Now all you need to play with NSData.
3) "MyDocument.h" file
#import <UIKit/UIKit.h>
#interface MyDocument : UIDocument
#property (strong) NSData *zipDataContent;
#end
4)
#import "MyDocument.h"
#implementation MyDocument
#synthesize zipDataContent;
// Called whenever the application reads data from the file system
- (BOOL)loadFromContents:(id)contents ofType:(NSString *)typeName error:(NSError **)outError
{
self.zipDataContent = [[NSData alloc] initWithBytes:[contents bytes] length:[contents length]];
[[NSNotificationCenter defaultCenter] postNotificationName:#"noteModified" object:self];
return YES;
}
// Called whenever the application (auto)saves the content of a note
- (id)contentsForType:(NSString *)typeName error:(NSError **)outError
{
return self.zipDataContent;
}
#end
5) Now somewhere in your app you need to zip folder and sync with icloud.
-(BOOL)zipFolder:(NSString *)toCompress zipFilePath:(NSString *)zipFilePath
{
BOOL isDir=NO;
NSString *documentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSString *pathToCompress = [documentsDirectory stringByAppendingPathComponent:toCompress];
NSArray *subpaths;
NSFileManager *fileManager = [NSFileManager defaultManager];
if ([fileManager fileExistsAtPath:pathToCompress isDirectory:&isDir] && isDir){
subpaths = [fileManager subpathsAtPath:pathToCompress];
} else if ([fileManager fileExistsAtPath:pathToCompress]) {
subpaths = [NSArray arrayWithObject:pathToCompress];
}
zipFilePath = [documentsDirectory stringByAppendingPathComponent:zipFilePath];
//NSLog(#"%#",zipFilePath);
ZipArchive *za = [[ZipArchive alloc] init];
[za CreateZipFile2:zipFilePath];
if (isDir) {
for(NSString *path in subpaths){
NSString *fullPath = [pathToCompress stringByAppendingPathComponent:path];
if([fileManager fileExistsAtPath:fullPath isDirectory:&isDir] && !isDir){
[za addFileToZip:fullPath newname:path];
}
}
} else {
[za addFileToZip:pathToCompress newname:toCompress];
}
BOOL successCompressing = [za CloseZipFile2];
if(successCompressing)
return YES;
else
return NO;
}
-(IBAction) iCloudSyncing:(id)sender
{
//***** PARSE ZIP FILE : Pictures *****
NSString *documentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
if([self zipFolder:#"Pictures" zipFilePath:#"iCloudPictures"])
NSLog(#"Picture Folder is zipped");
ubiq = [[NSFileManager defaultManager]URLForUbiquityContainerIdentifier:nil];
ubiquitousPackage = [[ubiq URLByAppendingPathComponent:#"Documents"] URLByAppendingPathComponent:#"iCloudPictures.zip"];
mydoc = [[MyDocument alloc] initWithFileURL:ubiquitousPackage];
NSString *zipFilePath = [documentsDirectory stringByAppendingPathComponent:#"iCloudPictures"];
NSURL *u = [[NSURL alloc] initFileURLWithPath:zipFilePath];
NSData *data = [[NSData alloc] initWithContentsOfURL:u];
// NSLog(#"%# %#",zipFilePath,data);
mydoc.zipDataContent = data;
[mydoc saveToURL:[mydoc fileURL] forSaveOperation:UIDocumentSaveForCreating completionHandler:^(BOOL success)
{
if (success)
{
NSLog(#"PictureZip: Synced with icloud");
}
else
NSLog(#"PictureZip: Syncing FAILED with icloud");
}];
}
6) You can unzip data received from iCloud like this.
- (void)loadData:(NSMetadataQuery *)queryData {
for (NSMetadataItem *item in [queryData results])
{
NSString *filename = [item valueForAttribute:NSMetadataItemDisplayNameKey];
NSURL *url = [item valueForAttribute:NSMetadataItemURLKey];
MyDocument *doc = [[MyDocument alloc] initWithFileURL:url];
if([filename isEqualToString:#"iCloudPictures"])
{
[doc openWithCompletionHandler:^(BOOL success) {
if (success) {
NSLog(#"Pictures : Success to open from iCloud");
NSData *file = [NSData dataWithContentsOfURL:url];
NSString *documentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSString *zipFolder = [documentsDirectory stringByAppendingPathComponent:#"Pics.zip"];
[[NSFileManager defaultManager] createFileAtPath:zipFolder contents:file attributes:nil];
//NSLog(#"zipFilePath : %#",zipFolder);
NSString *outputFolder = [documentsDirectory stringByAppendingPathComponent:#"Pictures"];//iCloudPics
ZipArchive* za = [[ZipArchive alloc] init];
if( [za UnzipOpenFile: zipFolder] ) {
if( [za UnzipFileTo:outputFolder overWrite:YES] != NO ) {
NSLog(#"Pics : unzip successfully");
}
[za UnzipCloseFile];
}
[za release];
NSError *err;
NSArray *files = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:outputFolder error:&err];
if (files == nil) {
NSLog(#"EMPTY Folder: %#",outputFolder);
}
// Add all sbzs to a list
for (NSString *file in files) {
//if ([file.pathExtension compare:#".jpeg" options:NSCaseInsensitiveSearch] == NSOrderedSame) {
NSLog(#" Pictures %#",file);
// NSFileManager *fm = [NSFileManager defaultManager];
// NSDictionary *attributes = [fm fileAttributesAtPath:[NSString stringWithFormat:#"%#/%#",documentsDirectory,file] traverseLink:NO];
//
// NSNumber* fileSize = [attributes objectForKey:NSFileSize];
// int e = [fileSize intValue]; //Size in bytes
// NSLog(#"%#__%d",file,e);
}
}
else
{
NSLog(#"Pictures : failed to open from iCloud");
[self hideProcessingView];
}
}];
}
}
}
In order to enabling Document storage in iCloud your "document" needs to be encapsulated in a UIDocument object.
Because UIDocument links to a file URL, you can easily create a UIDocument pointing to file://myzipfile.zip and then upload a zip document to iCloud.
I hope this helps
Probably this tutorial can help you more:
http://www.raywenderlich.com/6015/beginning-icloud-in-ios-5-tutorial-part-1
I used NSFileManager to retrieve the files in a folder, and I want to sort them by modified date. How to do that ?
Thanks.
What have you tried so far?
I haven't done this, but a quick look at the docs makes me think that you should try the following:
Call -contentsOfDirectoryAtURL:includingPropertiesForKeys:options:error: and specify NSURLContentModificationDateKey as one of the keys.
You'll get back an array of NSURL objects which you can then sort using an NSArray method like -sortedArrayUsingComparator:.
Pass in a comparator block that looks up the modification date for each NSURL using -getResourceValue:forKey:error:.
Update: When I wrote the answer above, -getResourceValue:forKey:error: existed in iOS but didn't do anything. That method is now functional as of iOS 5. The following code will log an app's resource files followed by a list of corresponding modification dates:
NSFileManager *manager = [NSFileManager defaultManager];
NSArray *files = [manager contentsOfDirectoryAtURL:[[NSBundle mainBundle] resourceURL]
includingPropertiesForKeys:[NSArray arrayWithObject:NSURLContentModificationDateKey]
options:nil
error:nil];
NSMutableArray *dates = [NSMutableArray array];
for (NSURL *f in files) {
NSDate *d = nil;
if ([f getResourceValue:&d forKey:NSURLContentModificationDateKey error:nil]) {
[dates addObject:d];
}
}
NSLog(#"Files: %#", files);
NSLog(#"Dates: %#", dates);
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSFileManager *manager = [NSFileManager defaultManager];
NSArray *imageFilenames = [manager contentsOfDirectoryAtPath:documentsDirectory error:nil];
NSMutableArray *originalImage = [[NSMutableArray alloc]init];
for (int i = 1; i < [imageFilenames count]; i++)
{
NSString *imageName = [NSString stringWithFormat:#"%#/%#",documentsDirectory,[imageFilenames objectAtIndex:i] ];
}
//---------sorting image by date modified
NSArray* filelist_date_sorted;
filelist_date_sorted = [imageFilenames sortedArrayUsingComparator:^NSComparisonResult(id obj1, id obj2)
{
NSDictionary* first_properties = [[NSFileManager defaultManager] attributesOfItemAtPath:[NSString stringWithFormat:#"%#/%#", documentsDirectory, obj1] error:nil];
NSDate *first = [first_properties objectForKey:NSFileCreationDate];
NSDictionary *second_properties = [[NSFileManager defaultManager] attributesOfItemAtPath:[NSString stringWithFormat:#"%#/%#", documentsDirectory, obj2] error:nil];
NSDate *second = [second_properties objectForKey:NSFileCreationDate];
return [second compare:first];
}];
NSLog(#" Date sorted result is %#",filelist_date_sorted);
static static NSInteger contentsOfDirSort(NSString *left, NSString *right, void *ptr) {
(void)ptr;
struct stat finfo_l, r_finfo_r;
if(-1 == stat([left UTF8String], &finfo_l))
return NSOrderedSame;
if(-1 == stat([right UTF8String], &finfo_r))
return NSOrderedSame;
if(finfo_l.st_mtime < finfo_r.st_mtime)
return NSOrderedAscending;
if(finfo_l.st_mtime > finfo_r.st_mtime)
return NSOrderedDescending;
return NSOrderedSame;
}
Now, later on in your code.
NSMutableArray *mary = [NSMutableArray arrayWithArray:filePathsArray];
[mary sortUsingFunction:contentsOfDirSort context:nil];
// Use mary...
Quick Method:
-(void)dateModified
{
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSFileManager *manager = [NSFileManager defaultManager];
NSArray *fileList = [manager contentsOfDirectoryAtPath:documentsDirectory error:nil];
//--- Listing file by name sort
NSLog(#"\n File list %#",fileList);
int num;
//-- Listing file name with modified dated
for (NSString *s in fileList)
{
NSString *filestring = [documentsDirectory stringByAppendingFormat:#"/%#",s];
NSDictionary *filePathsArray1 = [[NSFileManager defaultManager] attributesOfItemAtPath:filestring error:nil];
NSString *modifiedDate = [filePathsArray1 objectForKey:NSFileModificationDate];
NSLog(#"\n Modified Day : %#", modifiedDate);
num=num+1;
}
}
In a category over NSFileManager:
static NSInteger contentsOfDirSort(NSURL *leftURL, NSURL *rightURL, void *ptr)
{
(void)ptr;
NSDate * dateLeft ;
[leftURL getResourceValue:&dateLeft
forKey:NSURLContentModificationDateKey
error:nil] ;
NSDate * dateRight ;
[rightURL getResourceValue:&dateRight
forKey:NSURLContentModificationDateKey
error:nil] ;
return [dateLeft compare:dateRight];
}
- (NSArray *)contentsOrderedByDateOfDirectoryAtPath:(NSURL *)URLOfFolder ;
{
NSArray *files = [self contentsOfDirectoryAtURL:URLOfFolder
includingPropertiesForKeys:[NSArray arrayWithObject:NSURLContentModificationDateKey]
options:0
error:nil];
return [files sortedArrayUsingFunction:contentsOfDirSort
context:nil] ;
}
I am trying to get a listing of the directories contained within a subpath of my application bundle. I've done some searching and this is what I have come up with
- (void) contents {
NSArray *contents = [[NSBundle mainBundle] pathsForResourcesOfType:nil
inDirectory:#"DataDir"];
if (contents = nil) {
NSLog(#"Failed: path doesn't exist or error!");
} else {
NSString *bundlePathName = [[NSBundle mainBundle] bundlePath];
NSString *dataPathName = [bundlePathName stringByAppendingPathComponent:
#"DataDir"];
NSFileManager *fileManager = [NSFileManager defaultManager];
NSMutableArray *directories = [[NSMutableArray alloc] init];
for (NSString *entityName in contents) {
NSString *fullEntityName = [dataPathName
stringByAppendingPathComponent:entityName];
NSLog(#"entity = %#", fullEntityName);
BOOL isDir = NO;
[fileManager fileExistsAtPath:fullEntityName isDirectory:(&isDir)];
if (isDir) {
[directories addObject:fullEntityName];
NSLog(#" is a directory");
} else {
NSLog(#" is not a directory");
}
}
NSLog(#"Directories = %#", directories);
[directories release];
}
}
As you can see I am trying to get a listing of directories in the app bundle's DataDir subpath. The problem is that I get no strings in my contents NSArray.
note:
- I am using the simulator
- When I manually look in the .app file I can see DataDir and the contents therein
- The contents of DataDir are png files and directories that contain png files
- The application logic needs to discover the contents of DataDir at runtime
- I have also tried using
NSArray *contents = [fileManager contentsOfDirectoryAtPath:DataDirPathName error:nil];
and I still get no entries in my contents array
Any suggestions/alternative approaches?
Thanks.
I'm not sure what I was doing wrong yesterday but I have this code working:
NSString *bundlePathName = [[NSBundle mainBundle] bundlePath];
NSString *dataPathName = [bundlePathName stringByAppendingPathComponent:#"DataDir"];
NSFileManager *fileManager = [NSFileManager defaultManager];
if ([fileManager fileExistsAtPath:dataPathName]) {
NSLog(#"%# exists", dataPathName);
BOOL isDir = NO;
[fileManager fileExistsAtPath:dataPathName isDirectory:(&isDir)];
if (isDir == YES) {
NSLog(#"%# is a directory", dataPathName);
NSArray *contents;
contents = [fileManager contentsOfDirectoryAtPath:dataPathName error:nil];
for (NSString *entity in contents) {
NSLog(#"%# is within", entity);
}
} else {
NSLog(#"%# is not a directory", dataPathName);
}
} else {
NSLog(#"%# does not exist", dataPathName);
}