> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/sidef-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/sidef-lang/programming_tasks/s/secure_temporary_file.md).

# Secure temporary file

```ruby
var tmpfile = require('File::Temp')
var fh = tmpfile.new(UNLINK => 0)
say fh.filename
fh.print("Hello, World!\n")
fh.close
```