Remove probably existing temporary file

diff --git a/main.go b/main.go
index 855fb14f37eae8b6a207e1f1fe6c3f77cd4b5139..9f65a79dddf2f81e98c5f61a5d35608698019a6b 100644 (file)
--- a/main.go
+++ b/main.go
@@ -49,9 +49,13 @@ func main() {
                flag.Usage()
                os.Exit(1)
        }
+       var fn string
        if *maxSecs > 0 {
                go func() {
                        time.Sleep(time.Duration(*maxSecs) * time.Second)
+                       if fn != "" {
+                               os.Remove(fn)
+                       }
                        fatal("max aliveness time is reached")
                }()
        }
@@ -114,7 +118,7 @@ AnotherKey:
        if _, err = io.ReadFull(rand.Reader, rnd); err != nil {
                fatal(err.Error())
        }
-       fn := "." + base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(rnd) +
+       fn = "." + base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(rnd) +
                ext
        fd, err := os.OpenFile(fn, os.O_RDWR|os.O_CREATE|os.O_EXCL, os.FileMode(0666))
        if err != nil {