ref: 9ee8cf6d508c441d6d01091f1023b1d1e86fd66f
dir: /sys/src/cmd/lp/lpsend.rc/
#!/bin/rc
if (! ~ $DEBUG '') { flag x + }
if (test -e /net/tcp/clone) {
dialstring=`{ndb/query sys $1 dom}
network=tcp
if (~ $#dialstring 0 || ! ~ $dialstring '') {
dialstring=$1
}
if(lpsend $network^!^$dialstring^!printer) exit ''
rv='tcp failed'
}
if not rv='no tcp'
if (! ~ $dialstring '')
exit 'lpsend: no dialstring'
if not
exit 'lpsend: '^$rv