makeHornInF.sh
author Jim Hague <jim.hague@acm.org>
Wed, 28 Aug 2013 14:57:11 +0100
changeset 370 ecc62b487e57
parent 351 6bcafbfac674
child 748 ce5c7214f9aa
permissions -rwxr-xr-x
Some empty "" chords may be causing trouble with Jenkins. Jenkins builds are stalling when generating PDFs for some morris tunes. I suspect the problem may be an empty chord "" and abc2abc's attempt to transpose it. I've been meaning to remove the chords from the horn output, because abc2abc transposes them too, which renders them not terribly useful. So get on and do it. Also remove "" from the morris tunes where it occurs.
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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
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# Copy book component items.
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cp $booke/*.txt $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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        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/" > $outdir/$name.abc
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        rm $outdir/$name.abc.tmp
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    done