Question

I am trying to write to some text file using a stream writer.
the text I am trying to write is from a different text file.

I try:

string line = reader.ReadLine(); //reader is a streamReader I defined before
while (line != null)
{
    sw.WriteLine(line); //sw is a streamWriter I defined before
    line = reader.ReadLine();
}

I also tried:

while (!(reader.EndOfStream))
{
    sw.WriteLine(reader.ReadLine()); //sw is a streamWriter I defined before
}

this two methods succeeded to copy the text from the file to the other file, but from some reason not all of the text was copied.
The text file I am trying to copy from is very large, about 96000 lines, and only the ~95000 first lines are copied.

Therfore, I am asking if there is a restriction on the amount of text I can write / read with a stream writer / reader in C#?

Also, I asking for some suggestions for how to succeed copy all the text.
(I read that there is a method copy of the Stream class, but that is for .NET4, so it wont help).

EDIT: I tried to replace the text in the end that didn’t copied by a text form the start that was copied. I got the same problem, so it isn’t a problem with the characters.

Answer 1

Hmm. Probably you are not flushing your stream. Try doing sw.Autoflush=true; Or, before you close sw, call sw.Flush();