Plan 9 from Bell Labs’s /usr/web/sources/contrib/rsc/recover/mkfile
recover.ps:D: recover.ms plan9j.eps linuxj.eps cat recover.ms | 9 pic | 9 tbl | 9 troff -ms -mpictures | 9 tr2post | 9 psfonts >recover.ps %j.eps:D: %.jgr JGRAPH_BORDER=5 jgraph $stem.jgr >$target