Multiple files output

This is a discussion on Multiple files output within the C++ Programming forums, part of the General Programming Boards category; As a part of the project I'm working on multiple .ps files need be generated. Note the following: Code: outputForGallery( ...

  1. #1
    Registered User
    Join Date
    Mar 2010

    Multiple files output

    As a part of the project I'm working on multiple .ps files need be generated. Note the following:
    outputForGallery( int k) {
         std::string s;
         std::stringstream myOut;
         std::string fileName="pics/forGallery";
         fileName.append(s); fileName.append(".ps");
         std::ofstream saveFile(fileName);
    This means if 0 is passed as a parameter, file with filename should be formed(in pics folder). However, I got the following error:
    error: no matching function for call to ‘std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream(std::string&)’
    /usr/include/c++/4.4/fstream:623: note: candidates are: std::basic_ofstream<_CharT, _Traits>::basic_ofstream(const char*, std::_Ios_Openmode) [with _CharT = char, _Traits = std::char_traits<char>]
    /usr/include/c++/4.4/fstream:608: note:                 std::basic_ofstream<_CharT, _Traits>::basic_ofstream() [with _CharT = char, _Traits = std::char_traits<char>]
    /usr/include/c++/4.4/iosfwd:84: note:                 std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream(const std::basic_ofstream<char, std::char_traits<char> >&)
    Any suggestions on how to avoid this, or other ideas to print files with different filenames are very welcome. I understand that
    std:fstream saveFile(""); would work, but I want this to be dynamic.

    Kind regards,

  2. #2
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    > std::ofstream saveFile(fileName);
    std::ofstream saveFile( fileName.c_str() );
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
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