(C++) boost::filesystem::copy_file

 

boost::filesystem::copy_file is a Boost.Filesystem file I/O function to copy a file.

 

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#include <cassert> #include <boost/filesystem.hpp> int main() {   const std::string from = "from.txt";   const std::string to = "to.txt";   assert(boost::filesystem::is_regular_file(from)     && "Assume file is present");   boost::filesystem::copy_file(from,to); }

 

 

 

 

 

Note for Qt Creator users

 

Add the following line to your project file (to prevent the link error undefined reference to 'boost::system::get_system_category()'):

 

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LIBS += -lboost_system -lboost_filesystem