System backup using tar

backup-tar

#!/bin/bash

## Checkfor valid parameters 
if [ -z $1 ] ; then
  echo "missing destination directory"
  exit 1
else
  if [ -d $1 ]; then
    :
  else
    echo "directory does not exist"
    exit 1
  fi
  :
fi

if [ -z $2 ]; then
  echo "missing file name "
  exit 1
else
  :
fi

## File name and date
DATE=`date +%d-%m-%Y`                  
FILENAME=$2-$DATE.tar.gz       

## Working directories
DESTDIR=$1
SRCDIR=/

echo $DESTDIR/$FILENAME
echo $DESTDIR | cut -c2-

## Make tarball of /
tar -cpzvf $DESTDIR/$FILENAME --directory=/ --exclude=proc --exclude=sys --exclude=dev/pts --exclude=tmp --exclude=$DESTDIR $SRCDIR >> $DESTDIR/$2.log