libostd/examples/listdir.cc

32 lines
694 B
C++

/** @example listdir.cc
*
* A simple example of integration of std::filesystem with ranges.
*/
#include <ostd/io.hh>
#include <ostd/filesystem.hh>
#include <ostd/range.hh>
using namespace ostd;
inline void list_dirs(filesystem::path const &path, int off = 0) {
filesystem::directory_iterator ds{path};
for (auto &v: ds) {
auto p = filesystem::path{v};
if (!filesystem::is_directory(p)) {
continue;
}
for_each(range(off), [](int) { write(' '); });
writeln(p.filename());
list_dirs(p, off + 1);
}
}
int main(int argc, char **argv) {
if (argc < 1) {
return 1;
}
list_dirs(argv[1]);
return 0;
}