From 19b96b4aded3cb7545a332392182c8e55528ae90 Mon Sep 17 00:00:00 2001
From: "Joshua M. Boniface" <joshua@boniface.me>
Date: Sun, 12 Dec 2021 19:50:00 -0500
Subject: [PATCH] Fix bad grep

---
 templates/install.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/templates/install.sh b/templates/install.sh
index 14dfdbd..1d5efd0 100755
--- a/templates/install.sh
+++ b/templates/install.sh
@@ -29,7 +29,7 @@ if [[ ${#active_ttys} -gt 1 ]]; then
         else
             echo "Found more than one TTY!"
             echo -n "Waiting for other TTYs to time out... "
-            sleep $(( 16 + $( grep -o '[0-9]+' <<<"${this_tty}" ) ))
+            sleep $(( 16 + $( grep -E -o '[0-9]+' <<<"${this_tty}" ) ))
             echo "done."
         fi
     else