1 Jan
2005
1 Jan
'05
1:19 p.m.
... and a happy new year.
Pedro
#!/bin/bash
# We Wish You a Merry Christmas. Traditional Song
# Copyright (C) 2004 Pedro Lopez-Cabanillas <plcl(a)users.sourceforge.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
t1="g 4,"
t2="C 4, C 8, D 8, C 8, b 8, \
a 4, a 4, a 4, \
D 4, D 8, E 8, D 8, C 8, \
b 4, g 4, g 4, \
E 4, E 8, F 8, E 8, D 8, \
C 4, a 4, g 8, g 8, \
a 4, D 4, b 4, \
C 2, g 4,"
t3="C 4, C 4, C 4, \
b 2, b 4, \
C 4, b 4, a 4, \
g 2, D 4, \
E 4, D 8, D 8, C 8, C 8, \
G 4, g 4, g 8, g 8, \
a 4, D 4, b 4, \
C 2,"
# By default, send MIDI events to /dev/midi01. Change it here or pass
# some other raw MIDI device as argument, like /dev/snd/midiC0D0
mididev=${1:-/dev/midi01}
tempo=160 # quarters per minute
function playnote() {
let "ms = 240000 / ($2 * $tempo)"
echo -ne '\x90' >&3
echo -ne "$1\144" >&3
sleep $ms'e-3s'
echo -ne '\x80' >&3
echo -ne "$1\000" >&3
}
function playtune() {
echo $1 | tr "cdefgabCDEFGAB" "<>@ACEGHJLMOQS" | \
while read -d, note length; do
playnote $note $length
done
}
if [ -c $mididev -a -w $mididev ]; then
exec 3>$mididev
echo -ne '\xb0\x07\x7f' >&3 # volume = 127
echo -ne '\xc0\x0a' >&3 # instrument = music box
playtune "$t1 $t2 $t2 $t3"
exec 3<&-
else
echo "`basename $0` : invalid MIDI device ( $mididev )"
fi