Mine

- (void)stderrRedirect:(NSString *)text
{
	
    NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:text];
	/* Actually write the libhb output to the text view (outputTextStorage) */
    [outputTextStorage appendAttributedString:attributedString];
    [attributedString release];
    
	/* remove text from outputTextStorage as defined by TextStorageUpperSizeLimit and TextStorageLowerSizeLimit */
    if ([outputTextStorage length] > TextStorageUpperSizeLimit)
		[outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length] - TextStorageLowerSizeLimit)];

    [textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
    
    /* Now lets record the libhb output to our activity log file */
    NSString *newOutputString = [[NSString alloc] initWithString:text];
    
    /*get the current log file and put it into an NSString */
    /* HACK ALERT: must be a way to do it without reading the whole log into memory 
       Performance note: could batch write to the log, but want to get each line as it comes out of
       libhb in case of a crash or freeze so we see exactly what the last thing was before crash*/
    NSString *currentOutputLogString = [[NSString alloc]initWithContentsOfFile:outputLogFile encoding:NSUTF8StringEncoding error:NULL];
    
    /* Append the new libhb output string to the existing log file string */
    currentOutputLogString = [currentOutputLogString stringByAppendingString:newOutputString];
    /* Save the new modified log file string back to disk */
    [currentOutputLogString writeToFile:outputLogFile atomically:YES encoding:NSUTF8StringEncoding error:NULL];
    /* Release the new libhb output string */
    [newOutputString release];
}