function check_exceptions
{
# set -x # Uncomment to debug this function

while read FSNAME FSLIMIT
do
    IN_FILE="N"

    # Do an NFS sanity check and get rid of any .:..
    # If this is found it is actually an error entry
    # but we will try to resolve it.  It will only
    # work if it is an NFS cross mount to the same
    # mount point on both machines.
    $ECHO $FSNAME | grep ':' >/dev/null \
         && FSNAME=$($ECHO $FSNAME | cut -d ':' -f2)

    # Check for empty and null variable
    if [[ ! -z $FSLIMIT && $FSLIMIT != '' ]]
    then
        if [[ $FSNAME = $FSMOUNT ]] # Found it!
        then
            # Check for "MB" Characters...Set IN_FILE=MB
          $ECHO $FSLIMIT | grep MB >/dev/null && IN_FILE="MB" \
                 && (( FSLIMIT = $($ECHO $FSLIMIT \
                       | sed s/MB//g) * 1024 ))
            # check for '%' Character...Set IN_FILE=PC, for %
            $ECHO $FSLIMIT | grep '%' >/dev/null && IN_FILE="PC" \
                 && FSLIMIT=$($ECHO $FSLIMIT | sed s/\%//g)

            case $IN_FILE in
            MB) # Use MB of Free Space Method
                # Up-case the characters, if they exist
                FSLIMIT=$($ECHO $FSLIMIT | tr '[a-z]' '[A-Z]')
                # Get rid of the 'MB' if it exists
                FSLIMIT=$($ECHO $FSLIMIT | sed s/MB//g)
                # Test for blank and null values
                if [[ ! -z $FSLIMIT && $FSLIMIT != '' ]]
                then
                   # Test for a valid filesystem 'MB' limit
                   if (( FSLIMIT >= 0 && FSLIMIT < FSSIZE ))
                   then
                      if (( FSMB_FREE < FSLIMIT ))
                      then
                         return 1 # Found out of limit
                                  # using MB Free method
                      else
                         return 3 # Found OK
                      fi
                   else
                       $ECHO "\nERROR: Invalid filesystem MAX for\
 $FSMOUNT - $FSLIMIT"
                       $ECHO "       Exceptions file value must be less\
 than or"
                       $ECHO "       equal to the size of the filesystem\
 measured"
                       $ECHO "       in 1024 bytes\n"
                   fi
                else
                   $ECHO "\nERROR: Null value specified in exceptions\
 file"
                   $ECHO "       for the $FSMOUNT mount point.\n"
                fi
                ;;
            PC) # Use Filesystem %Used Method
                # Strip out the % sign if it exists
                PC_USED=$($ECHO $PC_USED | sed s/\%//g)
                # Test for blank and null values
                if [[ ! -z "$FSLIMIT" && "$FSLIMIT" != '' ]]
                then
                   # Test for a valid percentage, i.e. 0-100
                   if (( FSLIMIT >= 0 && FSLIMIT <= 100 ))
                   then
                      if (( $PC_USED > $FSLIMIT ))
                      then
                         return 2 # Found exceeded by % Used method
                      else
                         return 3 # Found OK
                      fi
                   else
                      $ECHO "\nERROR: Invalid percentage for $FSMOUNT -\
 $FSLIMIT"
                      $ECHO "       Exceptions file values must be"
                      $ECHO "       between 0 and 100%\n"
                   fi
                else
                   $ECHO "\nERROR: Null value specified in exceptions\
 file"
                   $ECHO "       for the $FSMOUNT mount point.\n"
                fi
                ;;
            N)  # Method Not Specified - Use Script Defaults
                if (( FSSIZE >= FSTRIGGER ))
                then # This is a "large" filesystem
                    if (( FSMB_FREE < MIN_MB_FREE ))
                    then
                         return 1 # Found out of limit
                                  # using MB Free method
                    else
                         return 3 # Found OK
                    fi
                else # This is a standard filesystem
                    PC_USED=$($ECHO $PC_USED | sed s/\%//g) # Remove %
                    FSLIMIT=$($ECHO $FSLIMIT | sed s/\%//g) # Remove %
                    if (( PC_USED > FSLIMIT ))
                    then
                        return 2 # Found exceeded by % Used method
                    else
                        return 3 # Found OK
                    fi
                fi
                ;;
            esac
        fi
    fi
done < $DATA_EXCEPTIONS # Feed the loop from the bottom!!!

return 4 # Not found in $EXCEPTIONS file
}