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#!/bin/sh
SELF="$( basename $0 )"
VERSION="0.1"
usage() {
cat <<EOF
Usage: $SELF [-o[N]] -f [bchunk-options] cue-file.cue [basename]
bchunkmulti v$VERSION, by B. Watson (urchlay@slackware.uk).
Licensed under the WTFPL: Do WTF you want with this. See
http://www.wtfpl.net/txt/copying/ for details.
This is a wrapper script for bchunk, to munge it into supporting
bin/cue files with multiple .bin files (one per track, usually).
We split up each FILE entry in the .cue file into a its own .cue,
then run bchunk once for each of the .cues we just made.
Options:
-o Convert audio tracks to ogg, with quality 7. Requires oggenc.
-oN As -o, but uses quality N, which must be a number from 0 to 9.
See the -q option in the oggenc(1) man page.
-f Convert audio tracks to flac. Requires flac.
-k Keep .wav file after converting to ogg/flac. Normally it's
deleted.
-- Everything after this is treated as a filename. Useful if
your .cue filename begins with a -.
--help Shows this help.
--version Shows version number.
Any other options passed to this script will be passed to bchunk.
$SELF also works fine on bin/cue files with only one .bin file.
EOF
}
while true; do
case "$1" in
--version) echo $VERSION ; exit 0 ;;
--help) usage ; exit 0 ;;
-o) OGGQ=7 ;;
-o[-0-9]*) OGGQ="$( echo $1 | cut -b3 )" ;;
-f) FLAC=1 ;;
-k) KEEPWAV=1 ;;
--) break ;;
-*) bchunkopts="$bchunkopts $1" ;;
*) break ;;
esac
shift
done
[ -n "$OGGQ$FLAC" ] && bchunkopts="$bchunkopts -w"
cue_in="$1"
if [ -z "$cue_in" ]; then
echo "$SELF: no .cue file argument given, try $SELF --help" 1>&2
exit 1
fi
base="${2:-track}"
if [ -n "$3" ]; then
echo "$SELF: too many filenames on command line, try $SELF --help" 1>&2
exit 1
fi
# de-space-ify args
bchunkopts=$( echo $bchunkopts )
# check that the cue file at least exists and can be read
cat "$cue_in" >/dev/null || exit $?
# need this to let "read" read the initial spaces in the .cue file lines
IFS=""
# save old stdout
exec 3>&1
# use temp dir in the current dir (we're writing there anyway)
tmpdir="$( mktemp -d bcm.XXXXXX )"
[ -z "$tmpdir" ] && exit $?
# split up each track entry in the input .cue file into a separate .cue
# file containing only that track.
count=1
cat "$cue_in" | while read line; do
case "$line" in
FILE*) cue_out="$tmpdir/tmpcue$( printf '%02d' $count ).cue"
exec > "$cue_out"
count="$( expr $count + 1 )"
;;
esac
echo "$line"
done
# restore old stdout
exec 1>&3
# now convert each file to .iso or .wav (bchunk is smart enough
# to know which is which).
for cue_out in $tmpdir/tmpcue??.cue; do
binfile="$( head -1 "$cue_out" | cut -d\" -f2 )"
tracktmp="$tmpdir/tmp"
# brand new empty dir for bchunk to write to, will contain only
# one file after bchunk runs.
rm -rf "$tracktmp"
mkdir -p "$tracktmp"
bchunk $bchunkopts "$binfile" "$cue_out" "$tracktmp"/"$base"
if grep -q 'TRACK.*AUDIO' "$cue_out"; then
# got audio track, convert to ogg and/or flac if requested
if [ -n "$OGGQ$FLAC" ]; then
[ -n "$OGGQ" ] && oggenc -q"$OGGQ" "$tracktmp"/*.wav
[ -n "$FLAC" ] && flac "$tracktmp"/*.wav
[ -z "$KEEPWAV" ] && rm -f "$tracktmp"/*.wav
fi
fi
mv "$tracktmp"/* .
rm -rf "$cue_out" "$tracktmp"
done
rmdir "$tmpdir"
exit 0
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