#!/bin/sh

print_usage()
{
    echo "$(basename $0) -- Create bzip2 compressed TAR archive."
    echo "Usage: $(basename $0) DIR"
}

if [ $# -ne 1 ]; then
    print_usage
    exit 1
fi

DIR=${1%/}
BASE=$(basename ${DIR})

# Checking if directory exists.
if [ ! -d ${DIR} ]; then
    echo "$0: Directory ${DIR} not found."
    exit 1
fi
    
# Decompressing file to standard output and piping result to bzip2
tar cvf - ${DIR} | bzip2 -9 > ${BASE}.tar.bz2

exit $?