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#!/usr/bin/env bash
log_file=/var/log/hash-files.log
DateTimeStamp=$(date +\%D_\%T)
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 $Working_Directory. ===
#=================================================="
IFS=$'\n'
for file in $(find $Working_Fullpath -maxdepth 1 -type f); do
list_of_files+=( $file )
done
write_log "List of files created successfully."
unset IFS
}
hash_files () {
#echo "=== Hash files. ===
#======================"
IFS=$'\n'
for file in ${list_of_files[@]}; do
hash=$(md5sum $file | awk '{ print $1 }')
list_of_hashes+=( $hash )
done
write_log "Files hashed successfully."
unset IFS
}
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. ===
#===================================="
temp_csv_file=$(mktemp)
printf '%s,%s\n' "File Path" "File Hash" >> $temp_csv_file
for line in ${csv_array[@]};do
printf '%s\n' $line
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
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