Added helper shell script "diffeps" for debugging failed EPS tests

contrib/diffeps

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+if [ "$#" -ne 2 ] ; then
+    echo "Usage: $0 file1.eps file2.eps"
+    exit 1
+fi
+
+suffix='0a8baf61-6321-4899-86e8-8bf9ebd002b3'
+
+sed 's/\r$/<CR>/; s/$/<LF>/; s/\r/<CR>\n/g' < "$1" > "$1.$suffix"
+sed 's/\r$/<CR>/; s/$/<LF>/; s/\r/<CR>\n/g' < "$2" > "$2.$suffix"
+
+diff -a -u "$1.$suffix" "$2.$suffix"
+exitcode="$?"
+
+rm -f "$1.$suffix" "$2.$suffix"
+
+exit "$exitcode"