Idiom

[Jaime Vargas <jev@xxxxxxx>]

Is there a better way to setup the ${mask_octects} array?
Without the back-ticks the expression constructs an array of one  
element.

-- Jaime

#!/bin/zsh
declare -A cidr_to_mask
cidr_to_mask=(
  16    255.255.0.0
  17    255.255.128.0
  18    255.255.192.0
  19    255.255.224.0
  20    255.255.240.0
  21    255.255.248.0
  22    255.255.252.0
  23    255.255.254.0
  24    255.255.255.0
  25    255.255.255.128
  26    255.255.255.192
  27    255.255.255.224
  28    255.255.255.240
  29    255.255.255.248
  30    255.255.255.252
  31    255.255.255.254
  32    255.255.255.255
)

set -A mask_octects `echo ${cidr_to_mask[22]//./ }`