#!/bin/sh FIFO_PATH="${QUEUE_PATH:-/tmp/job_queue.txt}" # Validate argument if [ $# -eq 0 ] || [ -z "$1" ]; then echo "Usage: $0 \"message to publish\"" >&2 exit 1 fi MESSAGE="$1" # Ensure the FIFO exists (create if missing) touch "$FIFO_PATH" 2>/dev/null || { echo "[$(date '+%H:%M:%S')] ERROR: Failed to access queue file at $FIFO_PATH" >&2 exit 1 } # Publish message to the FIFO if echo "$MESSAGE" >> "$FIFO_PATH" 2>/dev/null; then # Format and cap log line at 72 chars log_line="[$(date '+%H:%M:%S')] Published: ${MESSAGE}" if [ ${#log_line} -gt 72 ]; then printf "[%s] Published: %.45s...\n" "$(date '+%H:%M:%S')" "$MESSAGE" else echo "$log_line" fi else echo "[$(date '+%H:%M:%S')] ERROR: Failed to write to FIFO at $FIFO_PATH" >&2 exit 1 fi