#!/bin/bash
#<pre><b>
# Script     : nofile
# Version    : 1.0
# Author     : Roland Rashleigh-Berry
# Date       : 17-May-2004
# Purpose    : Production script to echo a file name if it does not exist
# SubScripts : none
# Notes      : You must pipe into this script. Only one filename per line
#              allowed.
# Usage      : cat filelist | nofile
#===============================================================================
# PARAMETERS:
#-pos- -------------------------------description-------------------------------
# N/A
#===============================================================================
# AMENDMENT HISTORY:
# init --date-- mod-id ----------------------description------------------------
# 
#===============================================================================
# This is public domain software. No guarantee as to suitability or accuracy is
# given or implied. User uses this code entirely at their own risk.
#===============================================================================

# No parameters - must be piped into
if [ $# -gt 0 ] ; then
  echo "Error: Script nofile does not accept parameters -- you must pipe into it" 1>&2
  exit 2
fi

# echo the file name to standard output if it does not exist
while read filename
do
  if [ ! -f "$filename" ] ; then
    echo "$filename"
  fi
done