Directory backup by mail (make sure mailx is installed and in the path).

dir-backup.sh

#!/bin/sh

# CONFIGURE THIS
inputDir=/var/system
outputDir=/tmp
resultPrefix=system
mailSubject="Backup - system"
mailBody="Backup - system"
mailRecipient=christian@primian.se

# DO NOT CHANGE BELOW HERE--------------------------
current=`date +"%Y%m%d-%H%M"`
outputFile=$outputDir/$resultPrefix-$current.tar.bz2

# Create the folder
mkdir -p $outputDir

# Create the archive file
tar -c --bzip2 -f $outputFile $inputDir >/dev/null 2>&1

# Mail the file
echo "$mailBody" | mailx -s "$mailSubject" -a "$outputFile" $mailRecipient