#!/bin/bash
echo "fsck all 4 usb drives? [y/N] "
read yn
if [[ $yn == "y" ]]; then
	starttime=`date +%s`
	echo "Begin: "`date`
	umount  /dev/sdb1
	fsck.vfat -a -t -w /dev/sdb1
	endtime=`date +%s`; elapsed=$(echo "scale=2; ($endtime - $starttime)/60" | bc -l); # calculate diff in mins using bc
	echo "Elapsed: ${elapsed} mins."
	echo ""

	echo "Begin: "`date`
	umount /dev/sdc1
	fsck.vfat -a -t -w /dev/sdc1
	endtime=`date +%s`; elapsed=$(echo "scale=2; ($endtime - $starttime)/60" | bc -l); # calculate diff in mins using bc
	echo "Elapsed: ${elapsed} mins."
	echo ""

	echo "Begin: "`date`
	umount /dev/sdb2
	fsck.ext3 -D -f -p /dev/sdb2
	endtime=`date +%s`; elapsed=$(echo "scale=2; ($endtime - $starttime)/60" | bc -l); # calculate diff in mins using bc
	echo "Elapsed: ${elapsed} mins."
	echo ""

	echo "Begin: "`date`
	umount /dev/sdc3
	fsck.ext3 -D -f -p /dev/sdc3
	endtime=`date +%s`; elapsed=$(echo "scale=2; ($endtime - $starttime)/60" | bc -l); # calculate diff in mins using bc
	echo "Elapsed: ${elapsed} mins."
	echo ""
	echo "Done: "`date`
fi