ref: 1bab993af3da2ba2ee9e84d8602c9ae67f7c58d1
dir: /bin/recv/
#!/bin/rc
fn usage {
>[2=1] echo 'recv port [file]'
exit usage
}
port=$1
if(~ $#port 0)
usage
file=$2
if(~ $#file 0)
file=/fd/1
>[9=1] >[9]$file aux/listen1 -t tcp!*!$port rc -c '/bin/cat >[1=9]'