how to write in append mode for text file

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Remove the following line of code

[savedString writeToFile:documentTXTPath atomically:YES];

And remaining code are all fine. Anyway check my code also,

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    NSString *documentTXTPath = [documentsDirectory stringByAppendingPathComponent:@"Notes.txt"];
    NSString *savedString = textview.text;
    NSFileHandle *myHandle = [NSFileHandle fileHandleForWritingAtPath:documentTXTPath];
    [myHandle seekToEndOfFile];
    [myHandle writeData:[savedString dataUsingEncoding:NSUTF8StringEncoding]];

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