Objective c: How to only delete all file under a directory but keep the directory itself

Question

I found the code below to delete file in objective-c, but I want to only delete all files under directory of Caches and keep the directory Caches itself.

Could someone suggest the method to do that?

Thanks

NSFileManager *filemgr;

filemgr = [NSFileManager defaultManager];

if ([filemgr removeItemAtPath: [NSHomeDirectory() stringByAppendingString:@"/Library/Caches"] error: NULL]  == YES)
        NSLog (@"Remove successful");
else
        NSLog (@"Remove failed");

UPDATED

NSFileManager *filemgr;

filemgr = [NSFileManager defaultManager];

if ([filemgr removeItemAtPath: [NSHomeDirectory() stringByAppendingString:@"/Library/Caches"] error: NULL]  == YES)
    NSLog (@"Remove successful");
else
    NSLog (@"Remove failed");

[filemgr createDirectoryAtPath: [NSHomeDirectory() stringByAppendingString:@"/Library/Caches"] withIntermediateDirectories:NO attributes:nil error:nil];

Answer 1

Loop through the files in that directory.

NSFileManager *fileMgr = [NSFileManager defaultManager];
NSArray *fileArray = [fileMgr contentsOfDirectoryAtPath:directory error:nil];
for (NSString *filename in fileArray)  {

    [fileMgr removeItemAtPath:[directory stringByAppendingPathComponent:filename] error:NULL];
}