C++ - Reading From Text File

To read from a text file, you need to type like below plus include <fstream> header file:

>> string text;

>> ifstream data;

>> data.open("D://data.txt");

>> getline(data,text);     // just for one line

>> data.close();

if you use:

>> data >> text;

so, you just get one word, not more.

if you use:

>> getline(data,text);    // same as getline(cin,text)

you will get one line, note more.

if you want to get words or lines, you need

>> getline(data,text,'#');    // getline(cin,text,'#')

where "#" is a char at the file as a sign for end.

To read full of file, you need use eof():

>> while(!data.eof()){

>>     getline(data,text);

>>     cout << text << endl;

>> }

 

C++ - Reading From Text File