Helper to (naively) parse M3U8 files

m3u8.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Command-line parameters
+M3U8="${1}"
+PREFIX="${2}"
+if [ ! -r "${M3U8}" ]; then
+	echo "Usage: ${0} input_m3u8 [uri_prefix]" 1>&2
+	exit 1
+fi
+
+# Find the highest-resolution/highest-bandwidth stream
+BANDWIDTH="`cat "${M3U8}" | grep '^#EXT-X-STREAM-INF:' | \
+	sed 's%^.*[,:]BANDWIDTH=\([0-9]*\).*,RESOLUTION=\([0-9]*\)x\([0-9]*\).*$%\2 \1%' | \
+		sort -n | tail -n 1 | cut -d ' ' -f 2`"
+
+# Extract the URI from the line after that stream
+URI="`cat "${M3U8}" | grep -A1 "BANDWIDTH=${BANDWIDTH}" | tail -n 1`"
+
+# Output
+echo "${PREFIX}${URI}"
+
+# Cleanup
+exit 0