Mega Code Archive
Using command-line arguments for copying files
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#include <iostream>
using std::cout;
using std::endl;
using std::ios;
#include <fstream>
using std::ifstream;
using std::ofstream;
int main( int argc, char *argv[] )
{
// check number of command-line arguments
if ( argc != 3 )
cout << "Usage: copyFile infile_name outfile_name" << endl;
else
{
ifstream inFile( argv[ 1 ], ios::in );
if ( !inFile )
{
cout << argv[ 1 ] << " could not be opened" << endl;
return -1;
}
ofstream outFile( argv[ 2 ], ios::out );
if ( !outFile )
{
cout << argv[ 2 ] << " could not be opened" << endl;
inFile.close();
return -2;
}
char c = inFile.get();
while ( inFile )
{
outFile.put( c );
c = inFile.get();
}
}
return 0;
}
Usage: copyFile infile_name outfile_name
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