ZIO learning - playing with nio - write to file / published by https://github.com/dacr/code-examples-manager #44fc4726-40f1-4ebe-9d31-61db07aa25f0/58e2ebb738345e5ade1085c033513d125a0f0235

zio-learning-nio-1-file-write.sc

// summary : ZIO learning - playing with nio - write to file
// keywords : scala, zio, learning, nio, file, charset, permissions, write, pure-functional, @testable
// publish : gist
// authors : David Crosson
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2)
// id : 44fc4726-40f1-4ebe-9d31-61db07aa25f0
// created-on : 2021-04-06T17:34:35Z
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "3.4.2"
//> using dep "dev.zio::zio-nio:2.0.1"
//> using dep "fr.janalyse::zio-worksheet:2.0.13.0"
// ---------------------

import zio.*, zio.worksheet.*
import zio.nio.file.*
import zio.nio.charset.Charset

import java.nio.file.attribute.PosixFilePermissions

object App extends ZIOAppDefault {
  val hello   = "Hello world !"
  val charset = Charset.Standard.utf16

  val logic = for {
    encoded <- charset.encodeString(hello)
    perms    = PosixFilePermissions.fromString("rw-r--r--")
    attrs    = PosixFilePermissions.asFileAttribute(perms)
    dest    <- Files.createTempFile(prefix = Some("truc"), fileAttributes = attrs :: Nil)
    _       <- Files.writeBytes(dest, encoded)
    _       <- Console.printLine(s"written to $dest !")
  } yield ()

  override def run = logic
}

// -------------------------------------------------------------

App.main(Array.empty)