#!/bin/ksh

#
# set up internal parameters
#

ERROR_CODE=$1

ERROR_MESSAGE_FILE="error_messages.txt"


#  This is the default error message if no match is found.
ERROR_MESSAGE="No matching error message found for: $ERROR_CODE"

##  Retrieve error message
while read -r error_number error_message
do
  if test "X$error_number" = "X$ERROR_CODE:"
  then
    ERROR_MESSAGE=$error_message
    break
  fi
done < $ERROR_MESSAGE_FILE

##  Print error message
printf "%s" "$ERROR_MESSAGE"