From 5ce52cf47885b71fc0e1ca038f2648848e368dfe Mon Sep 17 00:00:00 2001
From: Tamas Gerczei <tamas@gerczei.eu>
Date: Wed, 30 Aug 2017 15:40:17 +0200
Subject: [PATCH] typo: will now correctly recognize and notify freed space -
 fixes #1

---
 zfs-backup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zfs-backup.sh b/zfs-backup.sh
index d79a07b..bda9a1e 100644
--- a/zfs-backup.sh
+++ b/zfs-backup.sh
@@ -143,7 +143,7 @@ function backup() {
 
 			if [ $_DELTA -lt 0 ]
 				then
-					_DELTA=$(( _$DELTA * -1 ))
+					_DELTA=$(( $_DELTA * -1 ))
 					WHAT="freed"
 			fi