_hdfs

#compdef hdfs

_hdfs() 
{
    typeset -A opt_args

    local cur cword prev

    cur=${words[CURRENT]}
    prev=${words[CURRENT-1]}

    _arguments -C \
    '1:cmd:->cmds' \
    '2:switches:->switches_lists' \
    '*:arguments:->args' \
    && ret=0

    case "$state" in
        (cmds)
            local commands; commands=(
                'dfs:run a filesystem command on the file systems supported in Hadoop.'
                'classpath:prints the classpath'
                'namenode -format:format the DFS filesystem'
                'secondarynamenode:run the DFS secondary namenode'
                'namenode:run the DFS namenode'
                'journalnode:run the DFS journalnode'
                'zkfc:run the ZK Failover Controller daemon'
                'datanode:run a DFS datanode'
                'dfsadmin:run a DFS admin client'
                'haadmin:run a DFS HA admin client'
                'fsck:run a DFS filesystem checking utility'
                'balancer:run a cluster balancing utility'
                'jmxget:get JMX exported values from NameNode or DataNode.'
                'mover:run a utility to move block replicas across storage types'
                'oiv:apply the offline fsimage viewer to an fsimage'
                'oiv_legacy:apply the offline fsimage viewer to an legacy fsimage'
                'oev:apply the offline edits viewer to an edits file'
                'fetchdt:fetch a delegation token from the NameNode'
                'getconf:get config values from configuration'
                'groups:get the groups which users belong to'
                'snapshotDiff:diff two snapshots of a directory or diff the current directory contents with a snapshot'
                'lsSnapshottableDir:list all snapshottable dirs owned by the current user'
                'portmap:run a portmap service'
                'nfs3:run an NFS version 3 gateway'
                'cacheadmin:configure the HDFS cache'
                'crypto:configure HDFS encryption zones'
                'storagepolicies:list/get/set block storage policies'
                'version:print the version'
            )

            _describe -t commands 'command' commands && ret=0
        ;;
        (switches_lists)
            case $line[1] in 
            dfs)
                local switches; switches=(
                    '-ls:List Files'
                    '-rmdir:Remove Directory'
                    '-rm:Remove File'
                    '-put:Put a file on HDFS'
                    '-get:Get a file frem HDFS'
                )

                _describe -t switches 'switch' switches && ret=0
            ;;
            namenode)
                local switches; switches=(
                    '-format:format the DFS filesystem'
                )
                _describe -t switches 'switch' switches && ret=0
            ;;
            esac
        ;;
        (args)
        case $line[2] in
        (-ls)
            echo "$words"
            # runable="$words | sed -e 's/$/-ls \//'"
            # local folders; folders=(`hdfs dfs -ls ${args:-/} | tr "/" " " | awk '{print $NF}' | tail -n +2`;)
            local folders; folders=(`eval $words  | tr "/" " " | awk '{print $NF}' | tail -n +2 | sed -e 's/^/\//'` )
            _describe -t folders 'folder' folders && ret=0
        ;;
        esac
    ;;
    esac

    return 1
}

_hdfs