Plan 9 from Bell Labs’s /usr/web/sources/contrib/pac/rc/bin/tax/lineage
#!/bin/rc # up (id): write out mother clade; give taxon id as argument # Wed Nov 24 14:26:50 EST 2004 Peter A. Cejchan <cej@gli.cas.cz | pac7@post.cz | pac@plan9.cz> x=$1 while (x=`{occ/upid $x}) occ/name $x #-eof-