Rename to pub/sub.

1 files changed, 31 insertions, 0 deletions

diff --git a/pub.sh b/pub.sh
new file mode 100644
index 0000000..4e9ec41
--- /dev/null
+++ b/pub.sh
@@ -0,0 +1,31 @@
+#!/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