From cf1669bb3dedfc7f2c4065622e0477178fd34d00 Mon Sep 17 00:00:00 2001
From: Ville Rantanen <ville.rantanen@helsinki.fi>
Date: Tue, 7 Feb 2017 11:45:55 +0200
Subject: [PATCH] imgdiff added

---
 bin/imgdiff   | 1 +
 files/imgdiff | 8 ++++++++
 2 files changed, 9 insertions(+)
 create mode 120000 bin/imgdiff
 create mode 100755 files/imgdiff

diff --git a/bin/imgdiff b/bin/imgdiff
new file mode 120000
index 0000000..100b4ab
--- /dev/null
+++ b/bin/imgdiff
@@ -0,0 +1 @@
+../files/imgdiff
\ No newline at end of file
diff --git a/files/imgdiff b/files/imgdiff
new file mode 100755
index 0000000..b2dd7c7
--- /dev/null
+++ b/files/imgdiff
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+DISP=display
+which feh &> /dev/null && DISP="feh --scale-down"
+
+compare -verbose -metric RMSE "$1" "$2" MIFF:- | \
+  convert -background gray -gravity center "$1" "$2" +append - -append PNG:- | $DISP -
+