man/mkindex


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#!/usr/local/plan9/bin/rc

. 9.rc

# creates the index used by lookman
>lookman.index
for(i in $PLAN9/man/man[0-9]*/[a-z0-9:]*.[0-9]*){
	deroff -w_ < $i |
	tr 'A-Z' 'a-z' |
	sort -u |
	comm -23 - junkwords |
	sed 's@$@	'$i'@' >>lookman.index		# stick file name on end of line
}
sort -o lookman.index lookman.index