Newcomer

[Nicolas Viéville]

Hello Kevin,

> diff -u is sufficient to diff 2 individual files.
> 
> The other letters in the often used -Naur are:
> * -r = recursive, should always be used when diffing directories (i.e. use 
> diff -ur as a minimum in that case).
> * -N = includes files which are only in either of the 2 directories, 
> treating them as added or removed. Needed if you added or removed any files, 
> but unwanted if one directory has object files, executables or some other 
> generated files and the other does not.
> * -a = includes all files, even if diff thinks they're binary. Usually a bad 
> idea (especially if there are object/executable files or other such 
> generated binaries in your directories), but sometimes diff might think a 
> file is binary when it isn't really (e.g. because it's an FSF text file with 
> "form feed" characters in them (I haven't seen anybody else use form feeds 
> for years, but the FSF still uses them for some reason)).

Thanks for this precision! I'll use your advises in the futur.


-- 
Nicolas Viéville