From 45a69f1cbf99deb614e21ff3b0a1b48169e1bffc Mon Sep 17 00:00:00 2001
From: Rami3L <rami3l@outlook.com>
Date: Sat, 2 May 2020 12:14:19 +0800
Subject: [PATCH] Fix: BSD expr syntax error on empty $NNNLVL (#546)

---
 misc/quitcd/quitcd.fish | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/quitcd/quitcd.fish b/misc/quitcd/quitcd.fish
index 9b3061c4..5048853a 100644
--- a/misc/quitcd/quitcd.fish
+++ b/misc/quitcd/quitcd.fish
@@ -4,7 +4,7 @@
 
 function n --description 'support nnn quit and change directory'
     # Block nesting of nnn in subshells
-    if test -n NNNLVL
+    if test -n "$NNNLVL"
         if [ (expr $NNNLVL + 0) -ge 1 ]
             echo "nnn is already running"
             return