Programming-Idioms

Implementation
Pascal

Be concise.

Be useful.

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Please try to avoid dependencies to third-party libraries and frameworks.

Implementation edit is for fixing errors and enhancing with metadata.

Instead of changing the code of the snippet, consider creating another Pascal implementation.

Other implementations
import "io/ioutil"
dir, err := ioutil.TempDir("", "")
string mkTmpDir()
{
    import std.uuid, std.file, std.path;
    string d = buildPath(tempDir, randomUUID.toString);
    if (!d.exists)
    {
        mkdir(d);
        return d;
    }
    else return null;
}

string s;
while (!s.length)
  s = mkTmpDir;
require 'tmpdir' 
td = Dir.mktmpdir
import tempfile	
td = tempfile.TemporaryDirectory()
extern crate tempdir;
use tempdir::TempDir;
let tmp = TempDir::new("prefix")?;
function createTempDir(): ?string
{
    $path = rtrim(sys_get_temp_dir(), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . mt_rand() . microtime(true);
    if (mkdir($path)) {
        return $path;
    }
    return null;
}
import System.IO.Temp
withTempDirectory $ \d -> do
  -- do something with d
use Path::Tiny qw(tempdir);
my $path = tempdir;
using System.IO;
string newDir = Path.GetTempPath() + Guid.NewGuid();
Directory.CreateDirectory(newDir);