Re: reading from a file into an array
From: Rolf Magnus (ramagnus_at_t-online.de)
Date: 11/07/03
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Date: Fri, 07 Nov 2003 20:49:40 +0100
Allen Seelye wrote:
> Newbie here. I'm having a hell of a time with this. It takes input
> from the console into an array and then dumps it into a file. that all
> is pretty straight forward and works just fine. The output file looks
> like this:
>
> 1,John Smith, 5551234, 1515 Some St
> 2,Jane Smith, 5555678, 1515 Someother St
>
> ...and so on. I've had no success getting this read back into an
> array. I've got three books on C++ and none of them has any
> information on how to accomplish this.
Then throw them all away. This is pretty basic stuff.
> Even if someone could show me how to read each line in as a single
> string I could probably figure it out from there on my own.
#include <iostream>
#include <fstream>
#include <string>
int main()
{
std::ifstream file("thefile.txt");
std::string s;
while (std::getline(file, s))
std::cout << "Got a line: " << s << '\n';
if (!file.eof())
std::cout << "Error reading file\n";
}
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