How to split a file lines with space and tab differentiation?
20,236
Solution 1
Using only standard library facilities:
#include <sstream>
#include <fstream>
#include <string>
#include <vector>
std::ifstream file("file.txt");
std::string line;
std::vector<std::string> tokens;
while(std::getline(file, line)) { // '\n' is the default delimiter
std::istringstream iss(line);
std::string token;
while(std::getline(iss, token, '\t')) // but we can specify a different one
tokens.push_back(token);
}
You can get some more ideas here: How do I tokenize a string in C++?
Solution 2
from boost :
#include <boost/algorithm/string.hpp>
std::vector<std::string> strs;
boost::split(strs, "string to split", boost::is_any_of("\t"));
you can specify any delimiter in there.
Comments
-
John almost 2 years
I have a file in below format
mon 01/01/1000(TAB)hi hello(TAB)how r you
Is there any way to read the text in such a way to use
'\t'
alone as delimiter (and not space)?So sample output can be,
mon 01/01/1000
hi hello
how r you
I couldn't use
fscanf()
, since it reads till the first space only.