From bdf2af54a800470990a66d11b14589e19fa568ac Mon Sep 17 00:00:00 2001
From: Arthur Williams <taaparthur@gmail.com>
Date: Fri, 4 Jun 2021 21:44:03 -0700
Subject: Remove non-portable grep usage from startx

startx uses non-portable grep flags (-o). grep isn't even needed for
this and has been replaced with substring removal.

Closes #6
---
 startx.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/startx.cpp b/startx.cpp
index 125c398..31187b9 100644
--- a/startx.cpp
+++ b/startx.cpp
@@ -206,7 +206,7 @@ if [ x"$server" = x ]; then
     XCOMM "https://bugzilla.redhat.com/show_bug.cgi?id=806491"
     tty=$(tty)
     if expr "$tty" : '/dev/tty[0-9][0-9]*$' > /dev/null; then
-        tty_num=$(echo "$tty" | grep -oE '[0-9]+$')
+        tty_num=${tty#/dev/tty}
         vtarg="vt$tty_num -keeptty"
     fi
 #endif
-- 
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