Idiom #138 Create temp file

Create a new temporary file on the filesystem.

import java.io.File;

File tempFile = File.createTempFile("prefix-", "-suffix");
tempFile.deleteOnExit();

#include <stdlib.h>

const char tmpl[] = "XXXXXX.tmp";
int fd = mkstemp(tmpl);

(ns programming-idioms
  (:import [java.io File]))

(File/createTempFile "prefix" "suffix" (new File "/tmp"))

(ns programming-idioms
  (:import [java.io File]))

(File/createTempFile "prefix" "suffix")

using System.IO;

string file = Path.GetTempFileName();

import std.stdio;

auto f = File.tmpfile();

open (newunit=u,status="scratch")

import "os"

tmpfile, err := os.CreateTemp("", "")

import System.IO.Temp

withTempFile $ \f -> do
  -- do something with f

{
  "dependencies": "tempy^1.0.1"
}

import tempy from 'tempy'

const tempFile = tempy.file()

{
  "dependencies": "tempy^1.0.1"
}

import tempy from 'tempy'

const resultOfCallback = tempy.file.task(tempFile => {
 // do something with tempFile
})

file = io.tmpfile()

$f = tmpfile();

uses sysutils;

var
  H: THandle;
begin
  H := FileCreate(GetTempFileName);
end.

use Path::Tiny qw(tempfile);

my $path = tempfile;

import File::Temp qw(tempfile);

my $fh = tempfile();
# or
my ($fh, $filename) = tempfile();

import tempfile

file = tempfile.TemporaryFile()

require 'tempfile'

file = Tempfile.new('foo')

use tempdir::TempDir;
use std::fs::File;

let temp_dir = TempDir::new("prefix")?;
let temp_file = File::open(temp_dir.path().join("file_name"))?;

Do you know the best way to do this in your language ? New implementation...

< > ⌨

Idiom created by programming-idioms.org

History

Related idioms

Issues