ref: 77302bd6af7dd1ee9f675455c8c1ba8f95fb1a07
dir: /test/test.rc/
#!/bin/rc
rfork en
ramfs
cat <<EOF >/tmp/test.sp
func t(a) {
print a
}
%%%
A1=3
A2;hello
A4=A1()+A3()
A3=5
B1=2
B2=3
B3=4
B4=100+[B1()+B3()]
EOF
../6.out /tmp/test.sp
prompt=('; ' ' ')
rc -i