lines.cpp

// This is an example of using the z::file::lines() generator to read a file line-by-line.
// This is a memory-efficient way of reading large files, as the data is only loaded as needed.
// z::file::lines(zstring& filename) // z::file::lines(std::istream &stream)
 
#include <iostream>
#include <z/file.hpp>
 
using z::file::execdir;
using z::file::lines;
 
int main() {
    zstring filename = execdir() + "/../data/in1.txt";
 
    ("Printing all lines in "_zs + filename).writeln(std::cout);
    for (auto line : lines(filename)) {
        line.writeln(std::cout);
    }
}