dottes/makeHornInF.sh

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#!/bin/bash
#
# Transpose a book for Horn in F.
if [ $# != 1 ]; then
echo "Usage: makeFHorn.sh <book dir name>"
exit 1
fi
# Transpose down (return 0) if top note was > e (> a for horn).
transposedown()
{
(($2 > 109))
}
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dir=`pwd`
booke=$dir/$1
outdir=$dir/$1-HornInF
mkdir -p $outdir/Compact
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# Copy book component items.
cp $booke/*.txt $outdir
echo "Horn in F" > $outdir/instrument.txt
find $booke -name "*.abc" | sort |
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while read filename
do
name=`basename $filename .abc`
dir=`dirname $filename`
basedir=`basename $dir`
compact=""
if [ "$basedir" = "Compact" ]; then
compact="Compact/"
fi
range=`./abcrange.py $filename`
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# Transpose concert pitch up a fifth.
# If there are any notes above 'd' (Horn 'g'), transpose
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# down a seventh instead.
transpose=5
if transposedown $range; then
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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
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# Transpose. By default abc2abc will report errors in the output,
# but this messes up output formatting so stop it. Also force all
# output to be in treble clef; some lower tunes with the odd high
# note will otherwise appear in bass clef, which is not what this
# crap horn player wants.
abc2abc $outdir/$name.abc.tmp -e -t $transpose | \
sed -e "/^ *K:/s/$/ clef=treble/" > $outdir/$compact$name.abc
rm $outdir/$name.abc.tmp
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done