练习写C++代码(101)--简单的文件以及 .gz文件的读写

///read_file.cpp

#include
#include
#include
using namespace std;

int main()
{
ifstream input_file;
ofstream output_file;

input_file.open("/home/lisp/c++/hello.cpp");
string str;
input_file>>str;
cout<

///read_zip_file.cpp

#include
#include
#include
using namespace std;

///buffer size
const int GZ_BUF_SIZE = 1024;

int main(int argc, char** argv)
{
///read gz filename from command argv[1]
gzFile file = gzopen(argv[1],"rb");

unsigned char buf[GZ_BUF_SIZE];
int len;
string out;
while (len = gzread(file, buf, GZ_BUF_SIZE))
{
out.append((const char*)buf, len);
}
///close the file
gzclose(file);

cout<