Mercurial > dottes
view makeCello.sh @ 387:502fa2df300e build-default-172
Automated merge with ssh://hg.cryhavoc.org.uk/dottes
author | Jim Hague <jim.hague@acm.org> |
---|---|
date | Sat, 31 Aug 2013 00:38:48 +0100 |
parents | 1073829494e3 |
children | cf2fe741a582 |
line wrap: on
line source
#!/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. # If lowest note is < C, transpose down 1 octave. # Otherwise calculate the distance above d for the highest note on a one # octave transposition, and the distance below G on a two octave # transposition. Find the smallest, and use the corresponding # transposition. transposedowntwo() { if (($3 >= 104 && $2 <= 115)); then return 0; fi if (($3 < 100)); then return 1; fi over=$(($2 - 108)) under=$((104 - $3)) if (($over <= $under)); then return 1; fi return 0; } dir=`pwd` booke=$dir/$1 outdir=$dir/$1-Cello mkdir -p $outdir # 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` 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 > $outdir/$name.abc done