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#!/usr/bin/env bash
log_file=/var/log/hash-files.log
keys_of_interest=("kMDItemFSCreationDate" "kMDItemFSName")
md5_bin=$(which md5sum)
mktemp_bin=$(which mktemp)
DateTimeStamp=$(date +\%D_\%T)
IFS=$'\n'
set -a
source .env 2>&1 > /dev/null
set +a
## Functions
############
write_log () {
#echo " ++ Write to log.
# +++++++++++++++"
## Use on systems managed with systemd
# printf 'hash-files: %s\n' "$1" | systemd-cat
printf '%s hash-files: %s\n' "$DateTimeStamp" "$1" >> $log_file
}
create_list_of_files () {
#echo "=== Get list of files in $Working_Directory. ===
#=================================================="
for file in $(find $Working_Fullpath -maxdepth 1 -type f); do
list_of_files+=( $file )
done
write_log "List of files created successfully."
}
mdls_files () {
for file in $list_of_files; do
for line in $(mdls $file); do
old_IFS=$IFS
unset IFS
mdls_key=$(printf "%s" $line | cut -d '=' -f 1)
mdls_value=$(printf "%s" $line | cut -d '=' -f 2)
if [[ " ${keys_of_interest[*]} " =~ " ${mdls_key} " ]];then
IFS=$old_IFS
: #printf "\n============================\nMDLS Key: %s\nMDLS Value: %s\n============================\n\n" $mdls_key $mdls_value
unset IFS
else
: #echo "Did not print!"
fi
IFS=$old_IFS
done
done
}
hash_files () {
#echo "=== Hash files. ===
#======================"
for file in ${list_of_files[@]}; do
hash=$($md5_bin $file | awk '{ print $1 }')
list_of_hashes+=( $hash )
done
write_log "Files hashed successfully."
}
#create_csv () {
#echo "=== Create array of comma-separated-values. ===
#=================================================="
# for i in ${!list_of_files[@]}; do
# csv_array+=( ${list_of_files[i]},${list_of_hashes[i]} )
# done
# export csv_array
# write_log "CSV Array creation successful."
#}
write_data () {
#echo "=== Write data to a .csv file. ===
#===================================="
## Create temp file
temp_csv_file=$($mktemp_bin)
## Initialize column names
csv_columns=( "File Path" "File Hash" )
## Populate Columns from keys of interest
for key in ${keys_of_interest[@]};do
csv_columns+=( ${keys_of_interest[key]} )
done
## Print columns to first line of csv
IFS=',';echo "${csv_columns[*]}";IFS=$'\n' >> $temp_csv_file
## Print csv array rows following columns row
for row in ${csv_array[@]};do
printf '%s\n' $row
done >> $temp_csv_file
# cat $temp_csv_file
write_log "$temp_csv_file written successfully."
}
cleanup () {
write_log "Cleanup completed successfully."
}
## Main
#######
trap cleanup EXIT
echo "Main Start"
create_list_of_files
mdls_files
hash_files
if [ ${#list_of_files[@]} != ${#list_of_hashes[@]} ];then
echo "Error! Number of files and hashes differs. Exiting..." && exit
else
: #create_csv
fi
#write_data
#while $list_of_files >=1; do
#done
unset IFS