From d5e9326e2fda94722e9fc8f815cf494aab903959 Mon Sep 17 00:00:00 2001
From: Iris Lightshard <nilix@nilfm.cc>
Date: Mon, 16 Dec 2024 20:37:42 -0700
Subject: [PATCH] reem: script to split files based on a track/chapter list

---
 reem.sh | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100755 reem.sh

diff --git a/reem.sh b/reem.sh
new file mode 100755
index 0000000..914d421
--- /dev/null
+++ b/reem.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+lines=$(cat $1 | wc -l)
+l=0
+
+mkdir $1_out
+
+while [ $l -lt $lines ]; do
+  current=$(cat $1 | sed -n "$(($l+1))p")
+  next=$(cat $1 | sed -n "$(($l+2))p")
+  l=$(($l+1))
+  current_ts=$(echo $current | awk '{print $1}')
+  if [ $(echo ${current_ts} | wc -c) -lt 6 ]; then
+    current_ts="00:${current_ts}"
+  fi
+  next_ts=$(echo $next | awk '{print $1}')
+  if [ ! -z "$next_ts" ] && [ $(echo ${next_ts} | wc -c) -lt 6 ]; then
+    next_ts="00:${next_ts}"
+  fi
+  track=$(echo $current |awk '{for (i=2; i<NF; i++) printf $i " "; print $NF}')
+  echo "$track [${current_ts} - ${next_ts}]"
+  toarg=""
+  if [ ! -z "${next_ts}" ]; then
+    toarg="-to ${next_ts}"
+  fi
+  # you can use -c:a copy for less accurate cuts n avoid reencoding
+  ffmpeg -n -ss $current_ts $toarg -i *"$1"*.mp4 -c:v null -c:a aac -b:a 128k $1_out/"${track}.aac"
+done