xmobar external script

#!/bin/bash
_DPOOL=`ls /var/run/daemons`;
_LIST="";
_SUBLIST=""
for _DAEMON in $_DPOOL
    do
        _SUBLIST="$_SUBLIST $_DAEMON";
done
_LIST="[$_SUBLIST ]";

_SUBLIST="";
_FREESPACE=`gawk -F: '{print $3 }' /etc/passwd`;
for _PERCENTSPACE in $_FREESPACE
    do
        _PERCENTSPACE=$(($_PERCENTSPACE * 100));
        _SUBLIST="$_SUBLIST $_PERCENTSPACE";
done
_LIST="$_LIST [ $_SUBLIST ]";
echo "$_LIST";