ref: ed11c46f4bd8bf0b20e4a997d8f1162789aee6ae
dir: /rc/bin/dmus/
#!/bin/rc
if(test -f /mnt/wad/genmidi)
c=(games/dmid '|' games/opl3)
if not
c=(games/midi -c)
if(~ `{file -m $1} audio/mus)
c=(games/mus '<' $1 '|' $c)
if not
c=('<' $1 $c)
eval $c