#!/bin/sh
# movedir.sh - Move a directory tree from one place to another
#
# Time-stamp: " "
# $Id:$

# Usage function
usage() {
    echo
    echo "usage: $0 /source/directory /dest/directory"
    echo
    echo "Contents of /source/directory will be copied to /dest/directory."
    echo "Requires /dest/directory to be empty."
    echo
    exit $1
}

# Check number of parameters
if [ $# != 2 ]; then
    usage 1
fi

# Grab the parameters
SRC=$1
DST=$2

# Verify there are files in the source 
if [ $(find ${SRC}/* | wc -l) -le 0 ] ; then
    echo
    echo "ERROR: $SRC contains no files"
    usage 1
fi

# Verify the destination is empty
if [ $(find ${DST}/* ! -path ${DST} ! -name lost+found | wc -l) -gt 0 ]; then
    echo
    echo "ERROR: $DST is not empty"
    usage 1
fi

# Move the directores
(cd $SRC; tar cf - . ) | (cd $DST; tar xvfp -)

# EOF