How to delete files from iPhone's document directory which are older more than two days

Question

I have an App in which I record the sound files and store it in apps Document Directory.

What I want is, it should contain only yesterday and to days older files and remove all others from the folder in iPhone app. Is there any way to do this?

Thanks ..

i have been looking to get something related but i have not find anything such that — Dilshad Almani, Apr 09 '12 at 11:11
duplicate: http://stackoverflow.com/questions/5935582/delete-all-files-and-folder-from-a-certain-folder — amleszk, Apr 09 '12 at 11:11
@DilshadAlmani : Then how does amleszk found duplicate ? **What is your try?** — Devang, Apr 09 '12 at 11:18
@Devang :I think. He has not asked duplicate question. He missed proper description. — rohan-patel, Apr 09 '12 at 11:21
@anonymous: Yes! title differs from description. And seems title is possible duplicate :) — Devang, Apr 09 '12 at 11:24
I edited Title and description. I would take my downvote after Edit. Right now its locked. :-| — rohan-patel, Apr 09 '12 at 11:26
@DilshadAlmani: Please see my updated answer. I verified and posted working code. And sorry for misinterpretation. I took my downvote back after editing your question. — rohan-patel, Apr 09 '12 at 12:56

score 7 · Accepted Answer · answered Apr 09 '12 at 11:21

Please look at the following code.

//Get the Document directory path.
 #define kDOCSFOLDER [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]

//Delete files by iterating items of the folder.
NSFileManager* fm = [[[NSFileManager alloc] init] autorelease];
NSDirectoryEnumerator* en = [fm enumeratorAtPath:kDOCSFOLDER];    
NSError* err = nil;
BOOL res;

NSString* file;
while (file = [en nextObject]) {
            // Date comparison.
    NSDate   *creationDate = [[fm attributesOfItemAtPath:file error:nil] fileCreationDate];
    NSDate *yesterDay = [[NSDate date] dateByAddingTimeInterval:(-1*24*60*60)];

    if ([creationDate compare:yesterDay] == NSOrderedAscending)
    {
        // creation date is before the Yesterday date
        res = [fm removeItemAtPath:[kDOCSFOLDER stringByAppendingPathComponent:file] error:&err];

        if (!res && err) {
            NSLog(@"oops: %@", err);
        }

    }

}

this is right but i want to delet all files created before yesterday — Dilshad Almani, Apr 10 '12 at 05:41
It is quite straight forward make the necessary changes yo want.! — Vignesh, Apr 10 '12 at 06:04

rohan-patel · Answer 2 · 2012-04-12T19:10:05.030

If you would have searched little you would have got this:

 [fileManager removeItemAtPath: fullPath error:NULL];

So you can get creation date of your file using something like this:

NSFileManager* fileManager = [NSFileManager defaultManager];
NSDictionary* dict = [fileManager attributesOfItemAtPath:filePath error:nil];
NSDate *date = (NSDate*)[dict objectForKey: NSFileCreationDate];

Compare those date in if condition and delete those files.

UPDATE 1: Working code to delete files which are older than two days.

// Code to delete images older than two days.
   #define kDOCSFOLDER [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]

NSFileManager* fileManager = [[[NSFileManager alloc] init] autorelease];
NSDirectoryEnumerator* en = [fileManager enumeratorAtPath:kDOCSFOLDER];    

NSString* file;
while (file = [en nextObject])
{
    NSLog(@"File To Delete : %@",file);
    NSError *error= nil;

    NSString *filepath=[NSString stringWithFormat:[kDOCSFOLDER stringByAppendingString:@"/%@"],file];


    NSDate   *creationDate =[[fileManager attributesOfItemAtPath:filepath error:nil] fileCreationDate];
    NSDate *d =[[NSDate date] dateByAddingTimeInterval:-2*24*60*60];

    NSDateFormatter *df=[[NSDateFormatter alloc]init];// = [NSDateFormatter initWithDateFormat:@"yyyy-MM-dd"];
    [df setDateFormat:@"EEEE d"]; 

    NSString *createdDate = [df stringFromDate:creationDate];

     NSString *twoDaysOld = [df stringFromDate:d];

    NSLog(@"create Date----->%@, two days before date ----> %@", createdDate, twoDaysOld);

    // if ([[dictAtt valueForKey:NSFileCreationDate] compare:d] == NSOrderedAscending)
    if ([creationDate compare:d] == NSOrderedAscending)

    {
        if([file isEqualToString:@"RDRProject.sqlite"])
        {

            NSLog(@"Imp Do not delete");
        }

        else
        {
             [[NSFileManager defaultManager] removeItemAtPath:[kDOCSFOLDER stringByAppendingPathComponent:file] error:&error];
        }
    }
}

thanks but i don't want to remove all files i want day before yesterdays all files — Dilshad Almani, Apr 09 '12 at 11:13
@DilshadAlmani : Make sure you give proper heading to your question. — Devang, Apr 09 '12 at 11:17
Agree with Devang.Please provide proper and clear description. — rohan-patel, Apr 09 '12 at 11:18

score 1 · Answer 3 · 2019-09-14T11:06:06.077

Please check following code for swift :

func cleanUp() {
    let maximumDays = 2.0
    let minimumDate = Date().addingTimeInterval(-maximumDays*24*60*60)
    func meetsRequirement(date: Date) -> Bool { return date < minimumDate }

    func meetsRequirement(name: String) -> Bool { return name.hasPrefix(applicationName) && name.hasSuffix("log") }

    do {
        let manager = FileManager.default
        let documentDirUrl = try manager.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: false)
        if manager.changeCurrentDirectoryPath(documentDirUrl.path) {
            for file in try manager.contentsOfDirectory(atPath: ".") {
                let creationDate = try manager.attributesOfItem(atPath: file)[FileAttributeKey.creationDate] as! Date
                if meetsRequirement(name: file) && meetsRequirement(date: creationDate) {
                    try manager.removeItem(atPath: file)
                }
            }
        }
    }
    catch {
        print("Cannot cleanup files: \(error)")
    }
}

score 0 · Answer 4 · answered Apr 09 '12 at 11:42

0

Please check following code:

NSArray *dirContents = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"] error:nil];
for (NSString *file in dirContents) {
    NSError *error= nil;
    NSDictionary *dictAtt = [[NSFileManager defaultManager] attributesOfItemAtPath:/*file path*/ error:&error];

    NSDate *d =[[NSDate date] dateByAddingTimeInterval:-86400];
    if ([[dictAtt valueForKey:NSFileCreationDate] compare:d] == NSOrderedAscending) {
        [[NSFileManager defaultManager] removeItemAtPath:/*file path*/ error:&error];
    }
}

answered Apr 09 '12 at 11:42

priyanka

2,076
1
16
20

Your code gives warning in this line: ` if ([[dictAtt valueForKey:NSFileCreationDate] compare:d]` – rohan-patel Apr 09 '12 at 11:50
its OK, its for date comparison – priyanka Apr 09 '12 at 12:17
@anonymous what is the issue now. – priyanka Apr 09 '12 at 12:20
NSlog(%@,dictAtt); add this line before NSDate *d =[[NSDate date] dateByAddingTimeInterval:-86400]; this line and check what data is display. – priyanka Apr 09 '12 at 12:46

How to delete files from iPhone's document directory which are older more than two days

4 Answers4

Linked