obj c write file
//writes an textfile to an place in the document directory
-(void)write:(NSString *)dir file:(NSString *)ff{
//get the documents directory:
NSArray *paths = NSSearchPathForDirectoriesInDomains
(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
//make a file name to write the data to using the documents directory:
NSString *fileName = [NSString stringWithFormat:[@"%@/" stringByAppendingString:dir],
documentsDirectory];
//creates the content
NSString *content = ff;
//save content to the documents directory
[content writeToFile:fileName
atomically:NO
encoding:NSStringEncodingConversionAllowLossy
error:nil];
}
//usage: [self write:@"text.txt" file:@"this text will be saved"];