function reroute() {
    curl -XPOST 'localhost:9200/_cluster/reroute?pretty' -d '{
        "commands" : [ {
                "allocate" : {
                    "index" : "'$1'",
                    "shard" : '$2'
                    "allow_primary" : true,
                    "node" : "<node>"
                }
            }
        ]
    }' > /dev/null
    sleep 1
}
curl -s localhost:9200/_cluster/state?pretty | awk '
    BEGIN {more=1}
    {if (/"UNASSIGNED"/) unassigned=1}
    {if (/"routing_nodes"/) more=0}
    {if (unassigned && /"shard"/) shard=$3}
    {if (more && unassigned && /"index"/) {print "reroute",$3, shard; unassigned=false}}
' > runit
source runit