#/bin/bash
#Script to hardlink duplicate files in folders created by backintime
#Bertrand VANDEPORTAELE 2016
#run this script from the folder where you want the results files to be generated

#Set this variable to the folder where backtime saves the files
BASE_DIR=/media/bvandepo/HD3TO14/savebackintime/backintime/rapid/bvandepo/1/
 

#To only detect the duplicates without applying the hardlink, uncomment the following line
#PARAM_TEST="-dryrun true"


# http://www.thegeekstuff.com/2013/05/date-command-examples
DATE_VAL=`date +%F%T`
echo   date: "${DATE_VAL}" 
RESULT_FILE="rdfind_result_${DATE_VAL}.txt"
echo   result file: "${RESULT_FILE}" 
echo ----------------------------------------------------------------------------------------
echo generating folder list...
echo ----------------------------------------------------------------------------------------
for i in  `ls -d ${BASE_DIR}*`
do
NEW_DIR="${i}/backup/"
if test -z "${LIST_DIR}"
then
#the variable does not exist yet
LIST_DIR="${NEW_DIR}"
else
LIST_DIR="${LIST_DIR} ${NEW_DIR}"
fi
done
echo ----------------------------------------------------------------------------------------
echo processing the folder list: ${LIST_DIR}
echo ----------------------------------------------------------------------------------------
#CMD="sudo rdfind ${LIST_DIR} -makehardlinks true ${PARAM_TEST} -outputname ${RESULT_FILE}"
CMD="sudo rdfind ${LIST_DIR} -makehardlinks true ${PARAM_TEST} -outputname ${RESULT_FILE}"
echo "generated command: ${CMD}"
#execute it 
eval "$CMD"
echo ----------------------------------------------------------------------------------------
echo displaying results...
echo ----------------------------------------------------------------------------------------
cat ${RESULT_FILE}