Just another update

Task/Secure-temporary-file/Clojure/secure-temporary-file.clj

@@ -1,2 +1,3 @@
-user=> (doto (java.io.File/createTempFile "pre" ".suff") .deleteOnExit)
-#<File /tmp/pre8116759964152254766.suff>
+(let [temp-file (java.io.File/createTempFile "pre" ".suff")]
+  ; insert logic here that would use temp-file
+  (.delete temp-file))

Task/Secure-temporary-file/Emacs-Lisp/secure-temporary-file.l

@@ -0,0 +1,3 @@
+(make-temp-file "prefix")
+=>
+"/tmp/prefix25452LPe"

Task/Secure-temporary-file/Go/secure-temporary-file.go

@@ -1,3 +1,32 @@
-import "io/ioutil"
+package main
 
-file_obj, err := ioutil.TempFile("", "foo")
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+)
+
+func main() {
+	f, err := ioutil.TempFile("", "foo")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer f.Close()
+
+	// We need to make sure we remove the file
+	// once it is no longer needed.
+	defer os.Remove(f.Name())
+
+	// … use the file via 'f' …
+	fmt.Fprintln(f, "Using temporary file:", f.Name())
+	f.Seek(0, 0)
+	d, err := ioutil.ReadAll(f)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("Wrote and read: %s\n", d)
+
+        // The defer statements above will close and remove the
+        // temporary file here (or on any return of this function).
+}

Task/Secure-temporary-file/Icon/secure-temporary-file.icon

@@ -0,0 +1,5 @@
+procedure main()
+    write("Creating: ",fName := !open("mktemp","rp"))
+    write(f := open(fName,"w"),"Hello, world")
+    close(f)
+end

Task/Secure-temporary-file/Scala/secure-temporary-file.scala

@@ -1,14 +1,18 @@
-import java.io.File
+import java.io.{File, FileWriter, IOException}
 
-try {
-    // Create temp file
-    val filename = File.createTempFile("prefix", ".suffix")
+  def writeStringToFile(file: File, data: String, appending: Boolean = false) =
+    using(new FileWriter(file, appending))(_.write(data))
 
-    // Delete temp file when program exits
-    filename.deleteOnExit
+  def using[A <: {def close() : Unit}, B](resource: A)(f: A => B): B =
+    try f(resource) finally resource.close()
 
-    System.out.println(filename)
-
-} catch {
-  case _: java.io.IOException =>
-}
+  try {
+    val file = File.createTempFile("_rosetta", ".passwd")
+    // Just an example how you can fill a file
+    using(new FileWriter(file))(writer => rawDataIter.foreach(line => writer.write(line)))
+    scala.compat.Platform.collectGarbage() // JVM Windows related bug workaround JDK-4715154
+    file.deleteOnExit()
+    println(file)
+  } catch {
+    case e: IOException => println(s"Running Example failed: ${e.getMessage}")
+  }