New implementation

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Other implementations
with Ada.Directories; use Ada.Directories;
Dir : String := Current_Directory;
#include <unistd.h>
char *dir = getcwd(NULL, 0);
using System.IO;
string path = Directory.GetCurrentDirectory();
import std.path;
string dir = absolutePath;
import "os"
dir, err := os.Getwd()
import System.Directory
dir <- getCurrentDirectory
let dir = process.cwd ()
String path = this.getClass().getClassLoader().getResource("").getPath();
$dir = getcwd();
dir := expandfilename('.');
use Cwd;
my $dir = getcwd();
import os
dir = os.getcwd()
dir = Dir.pwd
use std::env;
let dir = env::current_dir().unwrap();