From cc052298172c999a68ea46cc0e7d7fa900eb8b45 Mon Sep 17 00:00:00 2001
From: Xiao Pan <gky44px1999@gmail.com>
Date: Wed, 28 Feb 2024 05:08:56 -0800
Subject: New script prp, to practice password without print password on-screen

---
 sh/news |  2 +-
 sh/prp  | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100755 sh/prp

(limited to 'sh')

diff --git a/sh/news b/sh/news
index 2896a42..b0ecbc8 100755
--- a/sh/news
+++ b/sh/news
@@ -17,7 +17,7 @@ daily () {
 	o alacritty --hold -e wtr
 	o alacritty -e newsboat
 	o alacritty --hold -e rate
-	o alacritty --hold -e pass practice_password2
+	o alacritty --hold -e prp
 }
 
 monthly () {
diff --git a/sh/prp b/sh/prp
new file mode 100755
index 0000000..541b2ee
--- /dev/null
+++ b/sh/prp
@@ -0,0 +1,20 @@
+#!/bin/sh
+# PRactice Password
+
+read_pass () {
+	stty -echo
+	# -r necessary because password may contain backslash \
+	read -r entered_pass
+	stty echo
+}
+
+pass_name="${1:-practice_password2}"
+correct_pass="$(pass "$pass_name" | { IFS= read -r p; printf %s "$p";})"
+echo "Enter password \"$pass_name\":"
+read_pass
+# `| { IFS= read -r p; printf %s "$p"; }` steal from <https://git.zx2c4.com/password-store/tree/contrib/dmenu/passmenu#n34>, GPL-2.0-or-later; I use this because it is much faster than  `| head -n1`
+while ! [ "$entered_pass" = "$correct_pass" ]; do
+	echo "Wrong password, enter again:"
+	read_pass
+done
+echo "Correct password"
-- 
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