rendered paste body echo "Querying ${SERVER} to sync files ..." #connect() doesn't timeout if the end is null routed.. need to simulate alarm/setjmp.. TMPFILE=`mktemp /tmp/rsync.XXXXXX` || exit 1 nc -z ${SERVER}.${DOMAIN} 1023 > $TMPFILE 2> /dev/null & PID=$! disown $! sleep 1 loop=1 while true; do grep "succeeded" $TMPFILE > /dev/null 2>&1 if [ 0 -eq $? ]; then break fi if [ $loop = $SYNC_TIMEOUT ]; then break fi ((loop++)) sleep 1 done kill -9 $PID > /dev/null 2>&1 grep "succeeded" $TMPFILE > /dev/null 2>&1 status=$? rm -f $TMPFILE if [ 1 -eq $status ]; then echo "ERROR: ${SERVER} failed to respond." return 1 fi