dottes/makeAltoRecorderCFingering.sh

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#!/bin/bash
#
# Transpose a book for alto recorder with C fingering.
if [ $# != 1 ]; then
echo "Usage: makeAltoRecorderCFingering.sh <book dir name>"
exit 1
fi
# Transpose up (return 0) if bottom note was < F (< C for recorder).
transposeup()
{
(($3 < 103))
}
dir=`pwd`
booke=$dir/$1
outdir=$dir/$1-AltoRecorderCFingering
mkdir -p $outdir
# Copy book component items.
cp $booke/*.txt $outdir
echo "Alto Recorder (C Fingering)" > $outdir/instrument.txt
find $booke -name "*.abc" | sort |
while read filename
do
name=`basename $filename .abc`
range=`./abcrange.py $filename`
# Transpose concert pitch down a fifth.
# If there are any notes below 'F' (recorder 'C'), transpose
# up a seventh instead.
transpose=-5
if transposeup $range; then
transpose=7
fi
# There's no point in having transposed chords. Remove from the
# abc before transposing. Some badly formed chord items can give
# erroneous output from abc2abc (like, strings of binary gibberish).
sed -e "s/\"[^\"]*\"//g" $filename > $outdir/$name.abc.tmp
# Transpose. By default abc2abc will report errors in the output,
# but this messes up output formatting so stop it.
abc2abc $outdir/$name.abc.tmp -e -t $transpose > $outdir/$name.abc
rm $outdir/$name.abc.tmp
done