1 // file_size program -------------------------------------------------------// 2 3 // Copyright Beman Dawes, 2004 4 5 // Use, modification, and distribution is subject to the Boost Software 6 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 7 // http://www.boost.org/LICENSE_1_0.txt) 8 9 // See http://www.boost.org/libs/filesystem for documentation. 10 11 #include <boost/filesystem/operations.hpp> 12 #include <iostream> 13 14 namespace fs = boost::filesystem; 15 main(int argc,char * argv[])16int main( int argc, char* argv[] ) 17 { 18 19 if ( argc != 2 ) 20 { 21 std::cout << "Usage: file_size path\n"; 22 return 1; 23 } 24 25 std::cout << "sizeof(intmax_t) is " << sizeof(boost::intmax_t) << '\n'; 26 27 fs::path p( argv[1] ); 28 29 if ( !fs::exists( p ) ) 30 { 31 std::cout << "not found: " << argv[1] << std::endl; 32 return 1; 33 } 34 35 if ( !fs::is_regular( p ) ) 36 { 37 std::cout << "not a regular file: " << argv[1] << std::endl; 38 return 1; 39 } 40 41 std::cout << "size of " << argv[1] << " is " << fs::file_size( p ) 42 << std::endl; 43 return 0; 44 } 45