#! /bin/sh
# print only specified fields to stdout
#
# E.g.:
#   mailq | field 1
#   ps uax | field 2 4 5

# (C) Copyright 2003 Rahul Dhesi, All rights reserved.
#
# "As is" -- No warranty.
#
# Copying, use, and modification are permitted, governed by
# the GNU General Public License, by only those who agree
# to use this program at their own risk.

LIST="\$$1"

if test $# -gt 1; then
  shift
  for field
  do
    LIST="$LIST, \$$field"
  done
fi

awk "{print $LIST}"