Index: tools/batch-cmd
===================================================================
--- tools/batch-cmd	(revision 10269)
+++ tools/batch-cmd	(revision 10619)
@@ -3,17 +3,35 @@
 # Mega simple wrapper for batch control on nodes.
 #
-# Rick van der Zwet <info@rickvanderzwet.nl>
+# Rick van der Zwet <rick@wirelessleiden.nl>
 #
 
-HOSTS=${*:-`$(dirname $0)/gformat.py list all`}
+HOSTS=${*:-"`$(dirname $0)/gformat.py list up systems fqdn`"}
 PREFIX=${PREFIX:-'ip'}
-CMD=${CMD:-'ifconfig -a'}
+CMD=${CMD:-'md5 /usr/local/etc/rc.d/lvrouted'}
 
 echo "# WARN: Going to run at: " $HOSTS; sleep 2
 
+cat << 'EOF' >/tmp/command
+sh -c ". /etc/rc.subr; load_rc_config "networking"; set" > /tmp/networking-env
+grep -e ^ifconfig -e ^ipv4 /tmp/networking-env
+{ grep -e ^ipv4 /tmp/networking-env | cut -d= -f2 | tr -d \' | xargs -n1 | cut -d/ -f1;
+  grep -e ^ifconfig /tmp/networking-env | grep -v -i 'dhcp' | cut -d= -f2 | tr -d \' | cut -d' ' -f2 | cut -d'/' -f1
+} | sort -u > /tmp/current
+ifconfig -a | grep 'inet ' | cut -d' ' -f2 | sort > /tmp/config
+echo "# Comparing IP differences /tmp/current vs /tmp/config"
+sdiff /tmp/current /tmp/config
+EOF
+
+# Cleanup old entries
+rm $PREFIX-* stderr-*
+
 for HOST in $HOSTS; do
-  ssh -o ConnectTimeout=3 -o BatchMode=yes root@$HOST.wleiden.net. $CMD > $PREFIX-$HOST.txt &
+  stdout_file="$PREFIX-${HOST%%.}.txt"
+  stderr_file="stderr-${HOST%%.}.txt"
+  : > $stdout_file
+  : > $stderr_file
+  cat /tmp/command | ssh -o ConnectTimeout=3 -o BatchMode=yes root@$HOST 'cat >/tmp/command && sh /tmp/command' 1>$stdout_file 2>$stderr_file &
 done
 
-# Wait for all processes to complete.
+echo "# Wait for all processes to complete."
 wait