Unix/ls: Difference between revisions

=={{header|C++}}==

{{libheader|Boost}}

<lang cpp>

#include <iostream>

#include <set>

#include <boost/filesystem.hpp>

namespace fs = boost::filesystem;

int main(void)

{

fs::path p(fs::current_path());

std::set<std::string> tree;

for (auto it = fs::directory_iterator(p); it != fs::directory_iterator(); ++it)

tree.insert(it->path().filename().native());

for (auto entry : tree)

std::cout << entry << '\n';

}

</lang>

=={{header|Perl 6}}==

There is a <tt>dir</tt> builtin command which returns a list of IO::Path objects. We stringify them all with a hyperoperator before sorting the strings.

<lang perl6>.say for sort ~«dir</lang>