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annotate makeCello.sh @ 322:b4a0161e8870

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Add abcrange.py to return the range of a tune, and use it in instrument transposition. This lets us transpose on boundaries that aren't octave boundaries.
author Jim Hague <jim.hague@acm.org>
date Thu, 18 Jul 2013 15:27:57 +0100
parents 7b98278d6e8b
children 1073829494e3
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cc2d4925f280 Produce a cello-friendly Booke.
Jim Hague <jim.hague@laicatc.com>
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1 #!/bin/bash
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2 #
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3 # Copy a booke to cello-friendly form. Bass clef, transposed down
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4 # 1 or 2 octaves.
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cc2d4925f280 Produce a cello-friendly Booke.
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5 #
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6 # It would be easier to do with transpose in dottes.fmt, but I can't get
cc2d4925f280 Produce a cello-friendly Booke.
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7 # that to work properly for a 2 octave downward transpose.
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8 #
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9 # This relies on abcm2ps >= 6.0 but does not check for it.
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10
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11 if [ $# != 1 ]; then
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12 echo "Usage: makeCello.sh <book dir name>"
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13 exit 1
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14 fi
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15
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16 # Transpose down (return 0) if bottom note was < C.
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17 transposedowntwo()
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18 {
b4a0161e8870 Add abcrange.py to return the range of a tune, and use it in instrument transposition.
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19 return $(($3 >= 100))
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20 }
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21
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cc2d4925f280 Produce a cello-friendly Booke.
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22 dir=`pwd`
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23
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24 booke=$dir/$1
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25 outdir=$dir/$1-Cello
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26
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27 mkdir -p $outdir
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8f352063f277 Finish first version of newly tarted up website.
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29 # Copy book component items.
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30 cp $booke/*.txt $outdir
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31
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7b98278d6e8b Add instrument name into title page for transpositions.
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32 echo "Cello" > $outdir/instrument.txt
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33
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cc2d4925f280 Produce a cello-friendly Booke.
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34 find $booke -name "*.abc" | sort |
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35 while read filename
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36 do
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37 name=`basename $filename .abc`
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38 range=`./abcrange.py $filename`
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39
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40 # Move down either one octave or two, depending on the range
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41 # of the tune. If there are any notes below middle C, transpose
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42 # down one octave. The default is to transpose down two octaves.
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43 middle="d"
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44 if transposedowntwo $range; then
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45 middle="D"
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46 fi
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47
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3c9d9654d4a1 Add 'clef=bass' into the converted output.
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48 sed -e "/^ *K:/s/$/ clef=bass middle=$middle/" $filename > $outdir/$name.abc
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cc2d4925f280 Produce a cello-friendly Booke.
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49 done