Plan 9 from Bell Labs’s /usr/web/sources/contrib/axel/substfs/direct/mkfile
</$objtype/mkfile TARG=substfs OFILES=\ substfs.$O\ HFILES= # LIB=/$objtype/lib/lib9p.a BIN=/$objtype/bin </sys/src/cmd/mkone acid: ${OFILES:%$O=%acid} cat *.acid | grep -v '^warning' > acid