#!/bin/sh
# Remove an ID from the list

if [ $# -lt 1 ]
then
   echo -e "Usage: $0 ID\n"
   exit

elif [ $# -gt 1 ]
then
   echo -e "Usage: $0 ID\n"
   exit

else
   if [ $1 -gt 9999 ]
   then
      echo -e "ID must be between 1-9999\n"
      exit

   elif [ $1 -lt 10 ]
   then
      ID="000$1"

   elif [ $1 -lt 100 ]
   then
      ID="00$1"

   elif [ $1 -lt 1000 ]
   then
      ID="0$1"

   else
      ID="$1"

   fi

   # ------------------------

   echo "Removing $ID from ID list"

   cp -f /etc/IDs /etc/IDs1
   cat /etc/IDs1 | grep -v "$ID" > /etc/IDs
   rm -f /etc/IDs1

fi


