From 2613c630bdf2b4ac378a562c58f38e4ca9109f9e Mon Sep 17 00:00:00 2001
From: rupa <rupa@lrrr.us>
Date: Sun, 10 Jul 2011 15:09:15 -0400
Subject: [PATCH] better error handling for issues 30 and 31

---
 z.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/z.sh b/z.sh
index 60b156b..1be055c 100755
--- a/z.sh
+++ b/z.sh
@@ -60,7 +60,11 @@ _z() {
     } else for( i in rank ) print i "|" rank[i] "|" time[i]
    }
   ' "$datafile" 2>/dev/null >| "$tempfile"
-  env mv -f "$tempfile" "$datafile"
+  if [ $? -ne 0 -a -f "$datafile" ]; then
+   env rm -f "$tempfile"
+  else
+   env mv -f "$tempfile" "$datafile"
+  fi
 
  # tab completion
  elif [ "$1" = "--complete" ]; then