makeHornInF.sh
author Jim Hague <jim.hague@acm.org>
Fri, 20 Sep 2019 10:54:17 +0100
changeset 1002 19c737d183ac
parent 876 1a838d8dca2a
child 1031 18f0e45207ef
permissions -rwxr-xr-x
Small correction in B part, and correct the part repeats.
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#!/bin/bash
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#
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# Transpose a book for Horn in F.
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if [ $# != 1 ]; then
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    echo "Usage: makeFHorn.sh <book dir name>"
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    exit 1
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fi
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# Transpose down (return 0) if top note was > e (> a for horn).
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transposedown()
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{
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    (($2 > 109))
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}
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dir=`pwd`
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booke=$dir/$1
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outdir=$dir/$1-HornInF
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mkdir -p $outdir/Compact
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# Copy book component items.
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cp $booke/*.txt $booke/*.md $booke/image.jpg $outdir
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echo "Horn in F" > $outdir/instrument.txt
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find $booke -name "*.abc" | sort |
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    while read filename
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    do
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        name=`basename $filename .abc`
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        dir=`dirname $filename`
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        basedir=`basename $dir`
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        compact=""
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        if [ "$basedir" = "Compact" ]; then
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            compact="Compact/"
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        fi
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        range=`./abcrange.py $filename`
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        # Transpose concert pitch up a fifth.
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        # If there are any notes above 'd' (Horn 'g'), transpose
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        # down a seventh instead.
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        transpose=5
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        if transposedown $range; then
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            transpose=-7
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        fi
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        # There's no point in having transposed chords. Remove from the
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        # abc before transposing. Some badly formed chord items can give
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        # erroneous output from abc2abc (like, strings of binary gibberish).
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        sed -e "s/\"[^\"]*\"//g" $filename > $outdir/$name.abc.tmp
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        # Transpose. By default abc2abc will report errors in the output,
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        # but this messes up output formatting so stop it. Also force all
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        # output to be in treble clef; some lower tunes with the odd high
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        # note will otherwise appear in bass clef, which is not what this
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        # crap horn player wants.
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        abc2abc $outdir/$name.abc.tmp -e -t $transpose | \
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            sed -e "/^ *K:/s/$/ clef=treble/" > $outdir/$compact$name.abc
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        rm $outdir/$name.abc.tmp
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    done