Creating implementation for idiom 106 : Get program working directory

Idiom

# 106 Get program working directory

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Assign to string _dir the path of the working directory.
(This is not necessarily the folder containing the executable itself)

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with Ada.Directories; use Ada.Directories;

Dir : String := Current_Directory;

#include <unistd.h>

char *dir = getcwd(NULL, 0);

#include <filesystem>

dir = std::filesystem::current_path();

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 = os.getenv("PWD") or io.popen("cd"):read()

$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();