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