Mercurial > dottes
view makeCello.sh @ 759:fe7894530072
And, ironically, decide Skirmish can be less compact.
author | Jim Hague <jim.hague@acm.org> |
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date | Sat, 14 Oct 2017 20:59:05 +0100 |
parents | 06fec6764661 |
children | 1a838d8dca2a |
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#!/bin/bash # # Copy a booke to cello-friendly form. Bass clef, transposed down # 1 or 2 octaves. # # It would be easier to do with transpose in dottes.fmt, but I can't get # that to work properly for a 2 octave downward transpose. # # This relies on abcm2ps >= 6.0 but does not check for it. if [ $# != 1 ]; then echo "Usage: makeCello.sh <book dir name>" exit 1 fi # Return 0 if we should transpose down 2 octaves, 1 if just one # octave. $2 is highest note, $3 is lowest note. # # If range is G to d', transpose down 2 octaves. # Otherwise calculate the distance above d for the highest note on a one # octave transposition, and the distance below C on a two octave # transposition. Find the smallest, and use the corresponding # transposition, preferring 2 octaves in case of a tie. transposedowntwo() { if (($3 >= 104 && $2 <= 115)); then return 0; fi over=$(($2 - 108)) if (($over < 0)); then over=0 fi under=$((100 - $3)) if (($under < 0)); then under=0 fi if (($over < $under)); then return 1; fi return 0; } dir=`pwd` booke=$dir/$1 outdir=$dir/$1-Cello mkdir -p $outdir/Compact # Copy book component items. cp $booke/*.txt $outdir echo "Cello" > $outdir/instrument.txt find $booke -name "*.abc" | sort | 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` # Move down either one octave or two, depending on the range # of the tune. middle="D" if transposedowntwo $range; then middle="d" fi sed -e "/^ *K:/s/$/ clef=bass middle=$middle/" $filename > $outdir/$compact$name.abc done