Want to ask how to detect new line
For example, I need to read in a text file in this format
John 123 Y 1
abc
def
ghi
Jane 456 N 1
xyz
Jack 789 N 1
xxx
xxx
how do i detect the empty line and read in the next line?
i need to get the info for line 1, 6 and 9 only
Jump to PostWhen you call getline() it will return an empty string when there is an empty line.
Example:#include <iostream> #include <fstream> #include <string> using namespace std; int main() { string line; ifstream in("stdafx.h"); if( in.is_open() ) { while( getline(in,line) ) { if( line == "") cout << …
When you call getline() it will return an empty string when there is an empty line.
Example:
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main()
{
string line;
ifstream in("stdafx.h");
if( in.is_open() )
{
while( getline(in,line) )
{
if( line == "")
cout << "Empty line\n";
}
}
}great, will try it out
We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.