targzdir

#!/usr/bin/env bash

E_NUMARGS=1
E_NOTDIR=2

if [ $# -ne 1 ]; then
    echo "Usage: `basename $0` [DIRECTORY]"
    exit $E_NUMARGS
fi

if [ ! -d $1 ]; then
    echo "No such directory"
    exit $E_NOTDIR
fi

suffix=$(date +%Y-%m-%dT%H-%M-%S%z)".tar.gz"
filename="$1_$suffix"

echo "Archiving $1 ..."
tar -cvzf $filename $1

if [ $? -eq 0 ]; then
    echo "Archive $filename created."
fi