ref: b86a12149ade500326a238753c31b6e0178d3b5b
dir: /sys/lib/man/secindex/
#!/bin/rc builtin cd $1 for (i in [a-z0-9:]*) { sed -n ' /SH *NAM/,/SH/{ /SH/d s/, *$// 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 $i $i } |sort -u