From 1eaa71b83bbcbced6cfb94e6a480d294f3943f25 Mon Sep 17 00:00:00 2001
From: Tim van der Molen <tim@kariliq.nl>
Date: Sun, 28 Jul 2024 17:16:34 +0200
Subject: [PATCH] Optionally read the password from stdin

---
 main.go | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/main.go b/main.go
index b378bb7..f71ca2a 100644
--- a/main.go
+++ b/main.go
@@ -84,11 +84,14 @@ func passwordFromFile(passfile getopt.Arg) ([]byte, error) {
 		return nil, nil
 	}
 
-	f, err := os.Open(passfile.String())
-	if err != nil {
-		return nil, err
+	f := os.Stdin
+	if passfile.String() != "-" {
+		var err error
+		if f, err = os.Open(passfile.String()); err != nil {
+			return nil, err
+		}
+		defer f.Close()
 	}
-	defer f.Close()
 
 	s := bufio.NewScanner(f)
 	if s.Scan() == false {