On 27 June 2011 16:39, eric <fsshl@xxxxxxx> wrote: > Dear advanced c/g++ programers: > after I copied and compiled last email's code > I tested it, with your suggestion (put POSIX and C behind it), they > run (generate locale), > but > all test failed to make output file with size > 0 > so if you can plz help again, and thank a lot in advance, Eric > > ------------------------------------------------------------ > eric@eric-laptop:~/cppcookbook$ ./a.out > trying to access locale el_GR.utf8 > Couldn't generate locale el_GR.utf8: locale::facet::_S_create_c_locale > name not valid > Error when writing to file As shown by 'locale -a' you don't have the el_GR.utf8 locale installed, so obviously this won't work. > eric@eric-laptop:~/cppcookbook$ ls -l -a unicode.txt > -rw-r--r-- 1 eric eric 0 2011-06-27 08:31 unicode.txt > eric@eric-laptop:~/cppcookbook$ ./a.out POSIX > trying to access locale POSIX > Generated locale C > Error when writing to file > eric@eric-laptop:~/cppcookbook$ ./a.out C > trying to access locale C > Generated locale C > Error when writing to file > eric@eric-laptop:~/cppcookbook$ ./a.out B > trying to access locale B > Couldn't generate locale B: locale::facet::_S_create_c_locale name not > valid > Error when writing to file > eric@eric-laptop:~/cppcookbook$ > ------------------------------------------------------- Did you ever answer the question of which OS you're using? Your gcc is using --enable-clocale=generic so doesn't support named locales in the C++ library. You could try running your code with a different global locale, i.e. LANG=en_US.utf8 ./a.out
