file-backups-and-compression

# Parameters
FILES="file1 file2 file3 file4"
CURDATE=$(date +%Y%m%d)
SOURCE="/foo/bar/"

# Move files from eout to user dir
for FILE in $FILES; do
	mv ${SOURCE}/${FILE} ${FILE}
done

# tar all files
tar -cf backup_${CURDATE}.tar $(echo ${FILES})

# Compress tar
gzip backup_${CURDATE}.tar

# Remove all ordinary files that are not .tar.gz
find . -type f ! -name '*.tar.gz' -delete

# Decompress
gunzip <file>

# View files in tar
tar -tvf <tar>

# Unpack
tar -xf <tar>