From 2847f2b9f73bc3ce016e808a091d8ce74ab2f199 Mon Sep 17 00:00:00 2001
From: Christopher Harrington <ironiridis@gmail.com>
Date: Wed, 10 Sep 2014 14:01:36 -0500
Subject: [PATCH] Example for capturing data from metadata FIFO

This example script will read the metadata FIFO created by Shairport's -M option, and call a script with the read parameters.
---
 scripts/metadata_capture.sh | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 scripts/metadata_capture.sh

diff --git a/scripts/metadata_capture.sh b/scripts/metadata_capture.sh
new file mode 100644
index 000000000..2f770950f
--- /dev/null
+++ b/scripts/metadata_capture.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Calls $TARGET_SCRIPT with the following parameters...
+# $1: artist
+# $2: title
+# $3: album
+# $4: genre
+# $5: comment
+# $6: The full pathname to the artwork file
+
+TARGET_SCRIPT="/home/user/shairport_now_playing.sh"
+METADATA_DIR="/tmp/shairport"
+
+test -p $METADATA_DIR/now_playing || mkfifo $METADATA_DIR/now_playing
+
+while exec 3<$METADATA_DIR/now_playing
+do
+declare -A METADATA
+IFS="="
+while read -u3 mK mV; do
+  if test "x$mK" = "x"; then break; fi
+  METADATA["$mK"]="$mV"
+done
+exec 3<&-
+$TARGET_SCRIPT "${METADATA["artist"]}" "${METADATA["title"]}" "${METADATA["album"]}" \
+  "${METADATA["genre"]}" "${METADATA["comment"]}" "$METADATA_DIR/${METADATA["artwork"]}"
+
+unset METADATA
+done