From 3d75fadace421bf3768ae901a5825f86b04ce614 Mon Sep 17 00:00:00 2001
From: xyz <gky44px1999@gmail.com>
Date: Fri, 13 Aug 2021 02:43:35 -0700
Subject: use -ping for identify, faster

---
 .local/bin/convwall | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/.local/bin/convwall b/.local/bin/convwall
index 7ef49a9f..286e85a8 100755
--- a/.local/bin/convwall
+++ b/.local/bin/convwall
@@ -6,8 +6,10 @@ hratio=$SCRHEIGHT
 # chop how much from center
 chopnum=99%
 
-width=$(identify -format '%w' "$1")
-height=$(identify -format '%h' "$1")
+# my benchmark shows -ping is much faster than default
+# https://github.com/ImageMagick/ImageMagick/issues/3183#issuecomment-800955241
+width=$(identify -ping -format '%w' "$1")
+height=$(identify -ping -format '%h' "$1")
 
 ratio=$((wratio*100/hratio))
 dim=$((width*100/height))
-- 
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