Re: [Boost-users] [filesystem] basic_path question

From: John Femiani (JOHN.FEMIANI_at_[hidden])
Date: 2008-04-24 19:29:36

Robert Dailey  wrote:
>		Robert Dailey schrieb:
>		
>		> boost::filesystem::path myPath(
"C:/somefolder/somefile" );
>		> myPath += ".txt";
>		>
>		> Notice the 2nd line of code. This isn't legal. What is
the cleanest way
>		> to append an extension to a file path? I don't think
/= will work; if I
>		> remember correctly it will add "/.txt".
>		
>		
>		I think you basically have the option of doing:
>		
>		1)
>		myPath = myPath.branch_path() / (myPath.leaf() +
".txt");
>		
>		2)
>		string tmp = p.leaf();
>		p.remove_leaf();
>		p /= tmp + ".txt";
>		
>		Both are not really pretty...
>		
>		Regards,
>		 Mika
>
>
>	I figured that would be the approach I would have to take. I'm
making best efforts 
> to only append a filename when the extension is present, since as far
as I can tell being preemptive like that is the cleanest solution.

Have you looked at ::boost::filesystem::change_extension???
Somehow it is referred to as replace_extension in the docs, but this
function will do what you are discussing I think.

-- John Femiani