/usr/bin/smfplay is in midish 1.0.4-1.1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60  | #!/bin/sh
usage() {
	echo "usage: smfplay [-mxy] [-d device] [-i device] midifile"
	exit 2
}
extclock=0
sendrt=0
input=""
device=$MIDIDEV
metronome="off"
tempo=0
pos=0
while getopts mxyd:i:g: optname; do
	case "$optname" in
	m)
		metronome="on";;
	x)
		extclock=1;;
	y)
		sendrt=1;;
	d)
		device=$OPTARG;;
	i)
		input=$OPTARG;;
	g)
		pos=$OPTARG;;
	esac
done
shift $(($OPTIND - 1))
if [ "$#" != "1" -o -z "$1" ]; then
	usage;
fi
exec midish -b <<EOF
import "$1"
g $pos
if "$device" {
	if "$input" {
		dnew 0 "$device" wo
	} else {
		dnew 0 "$device" rw
	}
	if $extclock == 1 {
		dclkrx 0
	}
	if $sendrt {
		dclktx {0}
	}
}
if "$input" {
	dnew 1 "$input" ro
	fnew myfilt
	fmap {any {1 0..15}} {any {0 0..15}}
}
m $metronome
p
EOF
 |