Remove All Whitespace in C++

Remove All

Whitespace in C++

Welcome to the Remove All Whitespace in C++ page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

#include <algorithm>
#include <cctype>
#include <iostream>
#include <ranges>
#include <string>
#include <string_view>

[[noreturn]] void usage() {
    std::cerr << "Usage: please provide a string\n";
    std::exit(1);
}

int main(int argc, char* argv[]) {
    if (argc < 2) usage();

    std::string_view input = argv[1];
    if (input.empty()) usage();

    auto is_not_space = [](unsigned char c) { return !std::isspace(c); };
    auto filtered = input | std::views::filter(is_not_space);

    std::string result;
    std::ranges::copy(filtered, std::back_inserter(result));

    std::cout << result << '\n';
}

Remove All Whitespace in C++ was written by:

• LauraV-702
• Ștefan-Iulian Alecu

If you see anything you'd like to change or update, please consider contributing.

How to Implement the Solution

No 'How to Implement the Solution' section available. Please consider contributing.

How to Run the Solution

No 'How to Run the Solution' section available. Please consider contributing.