#!/usr/local/plan9/bin/rc builtin cd $1 for (i in [a-z0-9:]*) { b=`{echo $i | sed 's/\..*//'} 9sed -n ' /SH *NAM/,/SH/{ /SH/d s/, *$// ty :y s/ *\\*-.*// tx s/ *\\\(mi.*// tx s/, */\ /g s/\n\\n/\ /g s/$/ '$i'/g p } /SH *DES/q d :x s/ *\\*-.*// s/ *\\\(mi.*// /^$/d s/, */\ /g s/\n\n/\ /g s/$/ '$i'/g p q ' $i echo $b $i } |sort -u