#!/bin/bash
#<pre><b>
# Script     : badlines
# Version    : 1.0
# Author     : Roland Rashleigh-Berry
# Date       : 28-Jul-2005
# Purpose    : Production script to find lines in a text file containing bad
#              characters (i.e. not clean 7 bit)
# SubScripts : none
# Notes      : If any bad characters are found in a line then the line number
#              followed by a colon followed by the original line will be shown.
#              If you want to see the hex values of the bad characters then
#              pipe the output to "badchars" which will show these characters
#              as hex codes in angle brackets such as <0><f6><f9> 
# Usage      : badlines file.ext
#              badlines file.ext | badchars
#===============================================================================
# PARAMETERS:
#-pos- -------------------------------description-------------------------------
#  1   Input file name
#===============================================================================
# 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.
#===============================================================================

# Edit the test below for the number of expected parameters and put out
# a usage note if an incorrect number supplied. Remove if not required.
if [ $# -ne 1 ] ; then
  echo "Usage: badlines file.ext" 1>&2
  exit 1
fi


gawk '/[\x00-\x08\x0b\x0e-\x19\x80-\xff]/ {print NR ":" $0}' "$1"