Re: [Boost-users] basename function in filesystem

From: Alain Leblanc (aalebl_at_[hidden])
Date: 2008-03-04 22:18:57

Well, I figured it out. The file 'string.h' also defines a basename()
function. This is why my program was compiling with different argument
types. From reading the description I should have noticed I was not
using the function provided by boost.

Thanks for your help.

a

On Tue, 2008-03-04 at 18:33 -0800, Steven Watanabe wrote:
> AMDG
> 
> Alain Leblanc wrote:
> > Hi,
> >
> > Here's the description of the basename() function in the Filesystem library:
> >
> >
> > template <class Path> typename Path::string_type basename(const Path & p);
> >
> >     Returns: if p.leaf() contains a dot, returns the substring of
> > p.leaf() starting at its beginning and ending at the last dot (the dot
> > is not included). Otherwise, returns p.leaf()
> >
> >
> > and if I run the following program
> >
> > ==================================================
> >
> > #include <string>
> > #include <iostream>
> >
> > #include<boost/filesystem/operations.hpp>
> > namespace bf = boost::filesystem;
> >
> > int main() {
> >     string name("/calvin/hobbes/xx.xml");
> >     bf::path filepath(name);
> >     cerr << "Value for basename: " <<
> > basename(filepath.string().c_str()) << endl;
> > }
> > ==================================================
> >
> > I get as a result:
> >
> > Value for basename: xx.xml
> >
> >
> > I seems like I should be getting 'xx'. Am I not understanding the
> > description, or is there a problem with the library.
> >   
> 
> I'm surprised that that program even compiles.  What version of boost are
> you using and what compiler.  Does this program work better?
> 
> #include <string>
> #include <iostream>
> 
> #include<boost/filesystem/convenience.hpp>
> namespace bf = boost::filesystem;
> 
> int main() {
>     std::string name("/calvin/hobbes/xx.xml");
>     bf::path filepath(name);
>     std::cerr << "Value for basename: " <<
>         basename(filepath) << std::endl;
> }
>  
> In Christ,
> Steven Watanabe
> 
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