#!/bin/bash
#<pre><b>
# Script     : myfiles
# Version    : 1.0
# Author     : Roland Rashleigh-Berry
# Date       : 12-Nov-2003
# Purpose    : To print out a list of user-owned files
# SubScripts : none
# Notes      : If no parameter is supplied then all files owned by the user in
#              the current directory is listed.
# Usage      : myfiles
#              myfiles [sd]*.sas
#              myfiles -u rwolf s*.sas 
#===============================================================================
# OPTIONS:
#-opt- -------------------------------description-------------------------------
#  u   (value)  User  (defaults to current user)
#===============================================================================
# PARAMETERS:
#-pos- -------------------------------description-------------------------------
#  1   (optional) File pattern
#===============================================================================
# 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.
#===============================================================================

# Define give-usage-message-then-exit function
usage () {
  echo 'Usage: myfiles *.sas' 1>&2
  exit 1
}

valueu=$(whoami)                   # Default value for User  

# "case" statement for action to take on selected options
while getopts "u:" param ; do
  case $param in
   "?") # bad option supplied
        usage
        ;;
   "u") # (value) User
        valueu=$OPTARG
        ;;
  esac
done


# shift to bring first parameter to position 1
shift $(($OPTIND - 1))


if [ $# -lt 1 ]
then
  ls -lp | gawk '$3==userid {print \
  substr(substr($0,25),index(substr($0,25),$6)+13)}' userid="$valueu" 
else
  ls -ldp -- "$@" | gawk '$3==userid {print \
  substr(substr($0,25),index(substr($0,25),$6)+13)}' userid="$valueu" 
fi