Mega Code Archive
Use get() and getline() to read characters
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#include <iostream>
#include <fstream>
using namespace std;
int main()
{
char ch;
char str[256];
ofstream fout("test.dat");
if(!fout) {
cout << "Cannot open file for output.\n";
return 1;
}
fout << "This is a line of text.\n";
fout << "This is another line of text.\n";
fout << "This is the last line of text.\n";
fout.close();
if(!fout.good()) {
cout << "An error occurred when writing to the file.\n";
return 1;
}
ifstream fin("test.dat", ios::in);
if(!fin) {
cout << "Cannot open file for input.\n";
return 1;
}
cout << "Use get():\n";
cout << "Here are the first three characters: ";
for(int i=0; i < 3; ++i) {
fin.get(ch);
cout << ch;
}
cout << endl;
fin.get(str, 255);
cout << "Here is the rest of the first line: ";
cout << str << endl;
fin.get(ch);
cout << "\nNow use getline():\n";
fin.getline(str, 255);
cout << str << endl;
fin.getline(str, 255);
cout << str;
fin.close();
if(!fin.good()) {
cout << "Error occurred while reading or closing the file.\n";
return 1;
}
return 0;
}
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