#!/bin/bash
# Clean a location (directory)

DIR="$1"

if [ "$#" -gt 1 -o -z "$DIR" -o "$DIR" == "-h" -o "$DIR" == "-h" ]
then
    echo "Usage: $(basename $0) DIRECTORY" 1>&2
    exit 0
    fi

if [ ! -d "$DIR" ]
then
    echo "Not a directory: $DIR" 1>&2
    exit 1
    fi

# Don't remove subdirectories or prefix files.
rm -f "$DIR"/*.idn
rm -f "$DIR"/*.idx
rm -f "$DIR"/*.dat