From c9b228485f21751afbda04f2d7cfac19042311a2 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Wed, 10 Aug 2016 13:23:37 +1200
Subject: Add explicit -n to hgrep() $HISTFILE check

---
 bash/bashrc.d/hgrep.bash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bash/bashrc.d/hgrep.bash b/bash/bashrc.d/hgrep.bash
index e5a5d4c9..2f7f8d54 100644
--- a/bash/bashrc.d/hgrep.bash
+++ b/bash/bashrc.d/hgrep.bash
@@ -8,7 +8,7 @@ hgrep() {
         printf >&2 '%s: Need a pattern\n' "$FUNCNAME"
         exit 2
     fi
-    if ! [[ $HISTFILE ]] ; then
+    if ! [[ -n $HISTFILE ]] ; then
         printf >&2 '%s: No HISTFILE\n' "$FUNCNAME"
         exit 2
     fi
-- 
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