#!/bin/sh
# mp4info shim for m4b-tool (ffprobe-based)

if [ -z "$1" ]; then
  echo "Usage: mp4info <file>" >&2
  exit 1
fi

# ffprobe outputs float seconds; m4b-tool expects an integer
ffprobe -v error \
  -show_entries format=duration \
  -of default=noprint_wrappers=1:nokey=1 \
  "$1" | awk '{ printf "%d\n", ($1 + 0.5) }'