#!/bin/bash
# Create a folder ~/webhmi-logs-backup, with the /tmp sub-folder.
HOST=192.168.1.1
LOG_DIR="$HOME/webhmi-logs-backup"
cd $LOG_DIR/tmp
# download yesterday's log file to backup storage
yesterday=$(date +"%Y-%m-%d" -d yesterday)
 


# because login and pass for the FTP connection are unencrypted you can 
# restrict read/write access mode to the file with chmod command)
wget --user=admin --password='webhmi' ftp://$HOST/log/log-$yesterday.sqlite3
#archive to save storage space
gzip -f -v log-$yesterday.sqlite3
# Copy out of tmp .gz file and do not overwrite if destination filename already exists
cp -r --backup=t log-$yesterday.sqlite3.gz ../.
# Clear tmp folder
rm $LOG_DIR/tmp/*