#!/usr/bin/env bash log_init() { : > "$RUNTIME_LOG_FILE" } log_write() { local level="$1" local message="$2" printf '%s [%s] %s\n' "$(date '+%F %T')" "$level" "$message" >> "$RUNTIME_LOG_FILE" } log_info() { log_write "INFO" "$1" } log_error() { log_write "ERROR" "$1" }