Re: TortoiseMerge - ignore line endings with large files

Nate wrote:
> Hi Guys,
>
> I found some unexpected behavior in TortoiseMerge. I don't think it's been
> reported before (I did a search) but if it has I apologise for the double up.
>
>
> The behavior I'm seeing is:
> If you diff two files with the ignore line endings option enabled then at
> regular intervals after a difference the line will show as a difference but with
> equals signs beside the line in each file.
>
>
> To replicate:
> Create two almost identical files. I used this code snippet.
>
> using (System.IO.StreamWriter sw1 = new System.IO.StreamWriter(@"file1.txt"))
> {
> using (System.IO.StreamWriter sw2 = new System.IO.StreamWriter(@"file2.txt"))
> {
> sw2.Write(Environment.NewLine);
> for (int i = 0; i < 500000; i++)
> {
> char letter = (char)((int)'a' + (i % 26));
> sw1.Write(letter + Environment.NewLine);
> sw2.Write(letter + Environment.NewLine);
> }
> }
> }
>
> Load the two files in TortoiseMerge and turn on the ignore line endings option.
>
> You should see the behaviour on lines 43691, 87381, 174763, 218453, ..., 480597
> It appears to happen at alternating intervals of 43691 and 87382 lines.
>
> It's not a problem for me at the moment. I can ignore it now that I know about
> it, but I thought I should let you know just in case the cause of the behavior
> could cause problems somewhere else in the program.

Are you sure that the lines shown as different are exactly the same? If
you have 'ignore whitespaces' enabled, then the lines will show as
different but with the equal sign.

Do you have maybe two files which show the problem so I can reproduce
this? If yes, please zip them before sending, otherwise mail clients
tend to mess with text files...

Stefan

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