Solaris script(get_active_nic_settings.sh) - bash script to get the ndd settings for all active NICs

#!/bin/bash

###########################################################################
# script: get_active_nic_settings.sh
# date: 14:30, fri., feb. 22 2008
# author: brad hudson
# description: script to get the ndd settings on active NICs (Sun specific)
###########################################################################

# you have to be root
[[ $UID -ne 0 ]] && {
     echo ""
     echo "You must be root to run $0!"
     echo ""
     exit
}

# declare an array of NICs
declare -a INTERFACES

# assign the NICs to the array
INTERFACES=(`ifconfig -a | grep ^[A-Za-z] | awk -F: '{print $1}' | grep -v lo0`)

for ((i=0; i < ${#INTERFACES[@]}; i++)) {        
    # set some interface specific variables       
    interface=${INTERFACES[$i]}       
    int_length=${#INTERFACES[$i]}       
    instance=${INTERFACES[$i]:$int_length-1}       
    module=${INTERFACES[$i]:0:$int_length-1}   
    
   # set the instance of the module to the current NIC       
   # account for goofy bge method       
   if [ "$module" = "bge" ]       
   then               
       module="${module}${instance}"       
   else               
       ndd -set /dev/$module instance $instance       
   fi       
   echo ""       
   echo "----- $interface settings -----"        
  
   # get the module parameters       
   declare -a MOD_PARMS       
   MOD_PARMS=(`ndd -get /dev/$module \? | grep -v ^? | awk '{print $1}'`)       
   for ((x=0; x < ${#MOD_PARMS[@]}; x++)) {               
       parm_name=${MOD_PARMS[$x]}               
       parm_setting=`ndd -get /dev/$module $parm_name`       
       printf "%20s = %s\n" $parm_name $parm_setting       
   }    
   unset MOD_PARMS
} 
echo"" unset INTERFACES