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#!/bin/sh
# Requires ffmpeg (audio splitting) and my `tag` wrapper script.
[ ! -f "$2" ] && printf "The first file should be the audio, the second should be the timecodes.\\n" && exit
echo "Enter the album/book title:"; read -r booktitle
echo "Enter the artist/author:"; read -r author
echo "Enter the publication year:"; read -r year
inputaudio="$1"
# Get a safe file name from the book.
escbook="$(echo "$booktitle" | iconv -cf UTF-8 -t ASCII//TRANSLIT | tr -d '[:punct:]' | tr '[:upper:]' '[:lower:]' | tr ' ' '-' | sed "s/-\+/-/g;s/\(^-\|-\$\)//g")"
! mkdir -p "$escbook" && echo "Do you have write access in this directory?" && exit 1
# As long as the extension is in the tag script, it'll work.
ext="opus"
#ext="${1#*.}"
# Get the total number of tracks from the number of lines.
total="$(wc -l < "$2")"
while read -r x;
do
end="$(echo "$x" | cut -d' ' -f1)"
[ -n "$start" ] &&
echo "From $start to $end; $track $title"
file="$escbook/$(printf "%.2d" "$track")-$esctitle.$ext"
[ -n "$start" ] && echo "Splitting \"$title\"..." &&
ffmpeg -nostdin -y -loglevel -8 -i "$inputaudio" -ss "$start" -to "$end" -vn -c copy "$file" &&
echo "Tagging \"$title\"..." && tag -a "$author" -A "$booktitle" -t "$title" -n "$track" -N "$total" -d "$year" "$file"
title="$(echo "$x" | cut -d' ' -f 2-)"
esctitle="$(echo "$title" | iconv -cf UTF-8 -t ASCII//TRANSLIT | tr -d '[:punct:]' | tr '[:upper:]' '[:lower:]' | tr ' ' '-' | sed "s/-\+/-/g;s/\(^-\|-\$\)//g")"
track="$((track+1))"
start="$end"
done < "$2"
# The last track must be done outside the loop.
echo "From $start to the end: $title"
file="$escbook/$(printf "%.2d" "$track")-$esctitle.$ext"
echo "Splitting \"$title\"..." && ffmpeg -nostdin -y -loglevel -8 -i "$inputaudio" -ss "$start" -vn -c copy "$file" &&
echo "Tagging \"$title\"..." && tag -a "$author" -A "$booktitle" -t "$title" -n "$track" -N "$total" -d "$year" "$file"