mu-wizard

commit 0cc472c4de2a0ec3601f2f5007f721c74c675a40
parent 907db008dca6b7d06795820fd78ee80fb52d41f3
Author: Cem Keylan <cem@ckyln.com>
Date:   Wed, 28 Oct 2020 00:35:39 +0300

yesno(): only require a single button press

Diffstat:
M
bin/muw
 | 
14
+++++++++++---

1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/bin/muw b/bin/muw
@@ -5,10 +5,18 @@ err() { printf 'err: %s\n' "$@" >&2 ;}
 die() { err "$@"; exit 1 ;}
 prompt() { printf '%s\n' "$1"; [ "$2" ] && printf '%s: ' "$2" ;}
 
+getbut() {
+    stty=$(stty -g)
+    stty -icanon -echo
+    dd bs=1 count=1 2>/dev/null
+    stty "$stty"
+}
+
 yesno() {
-    printf '%s\n' "$@"; printf '[y]es/[n]o: '
-    read -r ans
-    case "$ans" in [Yy]*) return 0; esac; return 1
+    printf '%s\n' "$@"; printf 'y/n: '
+    ans=$(getbut)
+    printf '%s\n' "$ans" >&2
+    case "$ans" in [Yy]) return 0; esac; return 1
 }
 
 delete() {