backup.sh

#!/bin/bash

# Path to the configuration file
CONFIG_FILE="./backup_config.cfg"

# Read the configuration file
if [ -f "$CONFIG_FILE" ]; then
    source "$CONFIG_FILE"
else
    echo "Configuration file not found: $CONFIG_FILE"
    exit 1
fi

# Convert the FOLDERS string into an array
IFS=',' read -ra FOLDERS <<< "$FOLDERS"

# Get the current date in Y-m-d format
CURRENT_DATE=$(date +"%Y-%m-%d")

# Loop through the folders
for FOLDER in "${FOLDERS[@]}"; do
    # Get the folder name without the full path
    FOLDER_NAME=$(basename "$FOLDER")

    # Define the backup file name
    BACKUP_FILE_NAME="${FOLDER_NAME}_backup_${CURRENT_DATE}.zip"

    # Create the zip archive of the folder content
    zip -r "${BACKUP_DIR}/${BACKUP_FILE_NAME}" "$FOLDER"

    # Delete backups older than RETENTION_DAYS days
    find "${BACKUP_DIR}/" -name "${FOLDER_NAME}_backup_*.zip" -type f -mtime +$RETENTION_DAYS -delete
done