main.cpp
1 #include <iostream> 2 #include <fstream> 3 #include <stdlib.h> 4 #include <windows.h> 5 6 using namespace std; 7 8 int main ( int argc, char* argv[] ) { 9 if ( argc < 3 ) { 10 cout << "File Merge 1.0" << endl; 11 cout << " Usage: fm <destination file> <source file>" << endl; 12 cout << " e.g. fm app.exe 0_127.dat 128_138.dat" << endl; 13 return -1; 14 } 15 fstream dst0 ( argv[1], ios::out | ios::trunc ); 16 if ( dst0.is_open() ) { 17 dst0.flush(); 18 dst0.close(); 19 } else { 20 cout << "Can not create <destination file> file." << endl; 21 return -1; 22 } 23 for ( int i = 2; i < argc; i++ ) { 24 fstream chk ( argv[i], ios::in | ios::binary ); 25 if ( chk.is_open() ) { 26 chk.close(); 27 continue; 28 } 29 cout << "Can not open <source file> file. \'" << argv[i] << "\'" << endl; 30 return -1; 31 } 32 fstream dst1 ( argv[1], ios::out | ios::binary | ios::app ); 33 if ( dst1.is_open() ) { 34 for ( int i = 2; i < argc; i++ ) { 35 cout << "Processing " << i - 1 << " of " << argc - 2 << "..." << endl; 36 fstream src ( argv[i], ios::in | ios::binary ); 37 if ( src.is_open() ) { 38 while ( src.peek() != EOF ) { 39 dst1.put ( src.get() ); 40 } 41 src.close(); 42 dst1.flush(); 43 } else { 44 cout << "Data loss on the way. Can not open <source file> file. \'" << argv[i] << "\'" << endl; 45 break; 46 } 47 } 48 dst1.flush(); 49 dst1.close(); 50 cout << "File Merge completed." << endl; 51 return 0; 52 } else { 53 cout << "Can not open <destination file> file." << endl; 54 return -1; 55 } 56 }
