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#include<cstdlib>
#include<dirent.h>
#include<vector>
using std::vector;
#include<string>
using std::string;
#include<iostream>
using std::cout;
int enumerate_files_in_cwd_until(string last_file);
string flag_value(const string& flag, int argc, const char* argv[]);
int main(int argc, const char* argv[]) {
return enumerate_files_in_cwd_until(flag_value("--until", argc, argv));
}
int enumerate_files_in_cwd_until(string last_file) {
dirent** files;
int num_files = scandir(".", &files, NULL, alphasort);
for (int i = 0; i < num_files; ++i) {
string curr_file = files[i]->d_name;
if (!isdigit(curr_file[0])) continue;
if (!last_file.empty() && curr_file > last_file) break;
cout << curr_file << '\n';
}
// don't bother freeing files
return 0;
}
string flag_value(const string& flag, int argc, const char* argv[]) {
for (int i = 1; i < argc-1; ++i)
if (string(argv[i]) == flag)
return argv[i+1];
return "";
}
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