Hello, I use Debian/Linux and libboost-filesystem-dev(1.33.0-5), and I meet the following problem, I want to know whether it is bug or my mistake, please help me, thanks. See also http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=343491 $ cat copy_file.cpp #include <boost/filesystem/operations.hpp> using namespace boost::filesystem; int main() { copy_file("bad", "#"); return 0; } $ g++ -o copy_file copy_file.cpp -lboost_filesystem $ touch bad $ ls -l bad -rw-r--r-- 1 nichloas nichloas 0 2005-12-16 00:33 bad $ ./copy_file terminate called after throwing an instance of 'boost::filesystem::filesystem_error' what(): boost::filesystem::path: invalid name "#" in path: "#" Aborted $ g++ -v Using built-in specs. Target: i486-linux-gnu Configured with: ../src/configure -v --enable-languages=c,c++,java,f95,objc,ada,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --program-suffix=-4.0 --enable-__cxa_atexit --enable-clocale=gnu --enable-libstdcxx-debug --enable-java-awt=gtk-default --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.4.2-gcj-4.0-1.4.2.0/jre --enable-mpfr --disable-werror --enable-checking=release i486-linux-gnu Thread model: posix gcc version 4.0.3 20051201 (prerelease) (Debian 4.0.2-5) $ -- LI Daobing