Read a .txt file inside documents directory

How can I read a .txt file inside documents directory? 开发者_运维技巧Can you show me code?

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *filePath = [documentsDirectory stringByAppendingPathComponent:@"txtFile.txt"];
NSString *content = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:NULL];

You can also use NSFileHandle for writing data in file and save to document directory: You can follow: NSFileHandle