#!/bin/bash
#<pre><b>
# Script     : compdirs
# Version    : 1.0
# Author     : Roland Rashleigh-Berry
# Date       : 08-Dec-2004
# Purpose    : To compare the contents of two directories
# SubScripts : none
# Notes      : Paired files will not be shown. Files in first directory not in
#              second directory will be shown first (if any) with a "+" in front
#              and then files in second directory not in first directory will be
#              shown last (if any) with a "-" in front.
# Usage      : compdirs . /there
#              
#===============================================================================
# PARAMETERS:
#-pos- -------------------------------description-------------------------------
#  1   First directory to compare
#  2   Secnd directory to compare
#===============================================================================
# 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.
#===============================================================================

# Two directories must be specified
if [ $# -ne 2 ] ; then
  echo "Usage: compdirs /here /there" 1>&2
  exit 1
fi

ls -1 "$1" > ~/compdirs1_$$.tmp

ls -1 "$2" > ~/compdirs2_$$.tmp

join -v 1 ~/compdirs1_$$.tmp ~/compdirs2_$$.tmp | gawk '{print "+" $0}'
join -v 2 ~/compdirs1_$$.tmp ~/compdirs2_$$.tmp | gawk '{print "-" $0}'

rm -f ~/compdirs1_$$.tmp ~/compdirs2_$$.tmp