iOS 파일 관련 정리

File이 있는지 체크하기

NSFileManager *filemgr;
filemgr = [NSFileManager defaultManager];

if ([filemgr fileExistsAtPath: @"/tmp/myfile.txt" ] == YES)
        NSLog (@"File exists");
else
        NSLog (@"File not found");

File 옮기기

NSFileManager *filemgr;

filemgr = [NSFileManager defaultManager];
if ([filemgr moveItemAtPath: @"/tmp/myfile.txt" toPath: @"/tmp/newfile.txt" error: NULL]  == YES)
        NSLog (@"Move successful");
else
        NSLog (@"Move failed");

File 읽기

NSFileManager *filemgr;
NSData *databuffer;

filemgr = [NSFileManager defaultManager];

databuffer = [filemgr contentsAtPath: @"/tmp/myfile.txt" ];

FIle Directory

FileManager *filemgr;
NSArray *filelist;
int count;
int i;

filemgr =[NSFileManager defaultManager];
filelist = [filemgr contentsOfDirectoryAtPath:@"/" error:NULL];
count = [filelist count];

for(i = 0; i < count; i++)
{
    NSLog(@"%@", [filelist objectAtIndex: i]);
}

경로에 있는 모든 파일 & Directory 탐색

NSFileManager *manger = [NSFileManager defaultManager];

NSDirectoryEnumerator *fileEnumerator = [manger enumeratorAtPath:documentRootPath];

for (NSString *filename in fileEnumerator) {