backup script added

backup/backup.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+BACKUP_FILES_DIRECTORY="/root/backup_disk/backups"
+BACKUP_RESULT_DIRECTORY="/root/backup_disk"
+
+args=""
+declare -a backups
+idx=0
+
+if [ -f $BACKUP_FILES_DIRECTORY ]; then
+	echo "[Error] $BACKUP_FILES_DIRECTORY is a file!"
+	exit 1
+elif [ ! -e $BACKUP_FILES_DIRECTORY ]; then
+	echo "[*] Make Directory $BACKUP_FILES_DIRECTORY"
+	mkdir $BACKUP_FILES_DIRECTORY
+fi
+
+echo "[*] Compress user's home directories in ${BACKUP_FILES_DIRECTORY}/"
+for dir in /home/*
+do
+	username=`basename "$dir"`
+	echo "[*] Backup-ing ${username}'s directories"
+	tar -cvzPf "${BACKUP_FILES_DIRECTORY}/cnupro-${username}.tar.gz" "$dir" 1>/dev/null
+	backups[$idx]="${BACKUP_FILES_DIRECTORY}/cnupro-${username}.tar.gz"
+	args="$args \"\${backups[$idx]}\""
+	idx=`expr $idx + 1`
+done
+
+echo "[*] Compress user's backup files to one backup file in /root/"
+eval "tar -cvzf ${BACKUP_RESULT_DIRECTORY}/all-cnupro.tar.gz $args 1>/dev/null"