From 789226bf5a815a04494a7fa5b6f4fbace73f3d70 Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Sat, 12 Jan 2019 00:29:36 +0800
Subject: astro/ds9saveimg.sh: Tweak delays to be more robust (2)

---
 astro/ds9saveimg.sh | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/astro/ds9saveimg.sh b/astro/ds9saveimg.sh
index a83a80a..2b6787c 100755
--- a/astro/ds9saveimg.sh
+++ b/astro/ds9saveimg.sh
@@ -40,9 +40,14 @@ while [ ${retry} -ne 0 ]; do
     retry=$?
 done
 
-# Bring the window to the front and snapshot to an image file
-wmctrl -a ${TITLE}
-xpaset -p ${TITLE} saveimage png ${IMG}
+retry=1
+while [ ${retry} -ne 0 ]; do
+    # Bring the window to the front and snapshot to an image file
+    wmctrl -a ${TITLE} &&
+        xpaset -p ${TITLE} saveimage png ${IMG}
+    retry=$?
+    [ ${retry} -ne 0 ] && sleep 1
+done
 echo "${TITLE}: ${FITS} + ${REG} => ${IMG}"
 
 #echo 'paused ...' && read _
-- 
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