#!/bin/bash
#
# mounts labeled usb disk to /mnt/hd
#

MOUNT_POINT="/mnt/hd"
DLABEL=bckpdisk
BDATE=`date +%Y%m%d`

# functions
#
# mountpoint check - if mounted and if mounted correct disk
check_mountpoint() {
        MTAB_C=`grep "/mnt/hd" /etc/mtab | grep -v grep | wc -l`
        if [ $MTAB_C -ne "0" ]; then
                if [ ! -f /mnt/hd/BCKP ]; then
                        echo "ERROR - Mountpoint $MOUNT_POINT in use or mark file not found!"
                        exit 1
                else
                        echo "Disk mounted"
                fi
        else
                mount_disk
        fi
}

# disk mount - returns something when no disk found
mount_disk() {
        mount /mnt/hd
        if [ "$?" -ne "0" ]; then
                echo "ERROR - No USB disk with label $DLABEL"
                exit 1
        fi
}

# disk space in kilobytes
disk_space() {
        df -k | grep "/mnt/hd" | awk '{ print $4 }'
}

# main loop
check_mountpoint
DISK_SPACE=`df -k | grep "/mnt/hd" | awk '{ print $4 }'`
FSIZE=`ls -lk /mnt/raid5/backup/alfresco/XPS001PA/ | grep $BDATE | grep -v grep | awk '{ print $5 }'`

echo $DISK_SPACE
echo $FSIZE