#!/bin/bash
#
# make a copy of KMyMoney files in a 'safe' directory whenever
# the contents of the orignal changed since the last run of this program.
# In order to make it work for you, please modify the parameters
# and erase the line following it.
#
# in order to automate the process, I entered the following two lines
# into my crontab using 'crontab -e'
#
#   # make a copy of the valuable KMyMoney data every 20 minutes
#   */20 * * * * /home/thb/bin/kmm-safe
#
# (C) 2005 by Thomas Baumgart (ipwizard at users.sourceforge.net)

# DATA_FILES="$HOME/thb.xml $HOME/thb.kmy"
DATA_FILES="$HOME/thb.kmy"
SAFE_DIR="$HOME/kmymoney-safe"
DATE_FORM="%Y-%m-%d-%H-%M-%S"

echo "Please configure to your likings and comment these two lines"
exit 1

for i in $DATA_FILES; do
  NEWFN=$SAFE_DIR/`basename $i`-`date +$DATE_FORM`
  OLDFN=$SAFE_DIR/`basename $i`-last

  # check if we need to keep a copy
  NEEDSAVE=0
  if test ! -e $OLDFN; then
    NEEDSAVE=1
  fi
  if test $NEEDSAVE -eq 0; then
    CS1=`md5sum $i | cut -d' ' -f1`
    CS2=`md5sum $OLDFN | cut -d' ' -f1`
    if test $CS1 != $CS2; then
      NEEDSAVE=1
    fi
  fi 

  if test $NEEDSAVE -eq 1; then
    cp $i $NEWFN
    if test -e $OLDFN; then
      rm $OLDFN
    fi
    ln -s $NEWFN $OLDFN
  fi
done