Homework & Coursework Questions

#!/bin/bash
#This script will automatically delete temporary files
rm -rf /tmp/*
rm -rf/var/tmp/*
fsck -A
exit

#! /bin/bash
# Variables
location=/home/veiset
directory=Documents
backuplocation=/media/veiset/backup
log=~/backup.log
echo -e “\nBackup started: `date`” >> $log
if [ -d $backuplocation ]; then
mkdir -p $backuplocation/`date +%y%m%d`
cd $location
tar -cvvf $backuplocation/`date +%y%m%d`/data.`date +%H%M%S`.tar.gz $directory
echo ” completed: `date`” >> $log
cp $log $backuplocation/backup.log
echo -e “\n — Backup completed –\n”;
else
echo ” FAILED: `date`” >> $log
echo -e “\n– WARNING: –”
echo -e “– BACKUP FAILED –\n”;
fi
exit

#!/bin/bash
# This will work sometimes, but is likely to die with 'too many arguments'
# when /tmp/ has a lot of files in it.  * has limits.
# rm -rf /tmp/*

# This should find all files and folder in the base directory of '/tmp'
# and print "rm -Rf file1 file2 ...".  Remove the 'echo' once you're sure
# it does what you want.
find /tmp -mindepth 1 -maxdepth 1 | 
while read LINE
do
        # Remove the 'echo' once you're sure it does what you want
        echo rm -Rf "$LINE"
done

exec 1>$log
echo "This line will now go directly into logfile"
echo "This line will still be printed to the terminal" >&2

echo -e "\nThis is not portable"
printf "\nThis is\n"

# Variables
location=/home/veiset
directory=Documents
backuplocation=/media/veiset/backup
backupdate=`date +%y%m%d`
backuptoday="${backuplocation}/${backupdate}"

function die
{
        # Print to logfile
        echo "$@"
        # Print again to terminal
        echo "$@" >&2
        # return error code, not success
        exit 1
}

[ -d "$backuplocation" ] || die "Backup location $backuplocation doesn't exist"
mkdir -p "$backuptoday" || die "Couldn't create today's folder $backuptoday"

tar -zcvvf $backuplocation/`date +%y%m%d`/data.`date +%H%M%S`.tar.gz $directory ||
        die "tar failed"