missty

can anyone tell me how can i create a function like: [QUOTE]if ("the txt file is blank") dosomething;[/QUOTE] which is checking if the text file is empty and then do something.

the function is used to write things into a txt file. the function works quite well except there is a blank first line in the txt file. i think the error is caused by "ios_base::app", which always write to the end of the file. i want to write to the …