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comp.cc
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comp.cc
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#include <fstream>
#include <iostream>
using namespace std;
void compress(fstream &infile, fstream &outfile){
while(1){
char c = infile.get();
if(!infile) break;
outfile.put(c);
}
}
void decompress(fstream &infile, fstream &outfile){
while(1){
char c = infile.get();
if(!infile) break;
outfile.put(c);
}
}
int main(int argc, char *argv[]){
if(argc < 2){
cout << "Wrong input argument, use " << argv[0] << " [-d] infile.\n";
return 0;
}
fstream infile;
fstream outfile;
if(argv[1][0] == '-'){
if(argv[1][1] == 'd'){
infile.open(argv[2], fstream::in | fstream::binary);
if(!infile){
cerr << "Could not open file " << argv[2] << '\n';
}
outfile.open(argv[3], fstream::out | fstream::binary);
if(!outfile){
cerr << "Could not open file " << argv[3] << '\n';
}
}
else{
cerr << "Unrecoginized parameter " << argv[1] << '\n';
return 0;
}
}
else{
infile.open(argv[1], fstream::in | fstream::binary);
if(!infile){
cerr << "Could not open file " << argv[1] << '\n';
}
outfile.open(argv[2], fstream::out | fstream::binary);
if(!outfile){
cerr << "Could not open file " << argv[2] << '\n';
}
}
if(argv[1][0] == '-' && argv[1][1] == 'd')
decompress(infile, outfile);
else
compress(infile, outfile);
infile.close();
outfile.close();
return 0;
}