Luna/apps/edit.cpp

#include <os/ArgumentParser.h>
#include <os/File.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char** argv)
{
    StringView pathname;

    os::ArgumentParser parser;
    parser.add_positional_argument(pathname, "path"_sv, true);
    parser.parse(argc, argv);

    auto file = os::File::open_or_create(pathname, os::File::WriteOnly).release_value();

    char buffer[4096];

    while (1)
    {
        char* rc = fgets(buffer, sizeof(buffer), stdin);
        if (rc == 0) break;
        file->write(StringView { buffer });
    }

    return 0;
}