Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/lib/lp/daemon/justsend
#!/bin/rc generic '/$cputype/bin/aux/lpdsend -d$LPDEST -H$LPMACHID -P$LPUSERID $OUTDEV >[2] $PRINTLOG' '{cat <{echo -d$LPDEST -pnoproc -M$SCHEDLINE(1) -u$SCHEDLINE(2)} $LPDEST/$FILE(1);sleep 5} | lpsend.rc $DEST_HOST' ''