source: vendor/current/docs-xml/scripts/find_missing_manpages.pl@ 414

#!/usr/bin/perl

my %doc;

$invar = 0;

$topdir = (shift @ARGV) or $topdir = ".";

$progs = "";

open(IN, "$topdir/Makefile.in");
while(<IN>) {
        if($invar && /^([ \t]*)(.*?)([\\])$/) {
                $progs.=" " . $2;
                if($4) { $invar = 1; } else { $invar = 0; }
        } elsif(/^([^ ]*)_PROGS([0-9]*) = (.*?)([\\])$/) {
                $progs.=" " . $3;
                if($4) { $invar = 1; }
        } else { $invar = 0; }
}

$progs =~ s/@([^@]+)@//g;

foreach(split(/bin\//, $progs)) {
        next if($_ eq " ");
        s/\@EXEEXT\@//g;
        s/ //g;

        $f = $_;
        
        $found = 0;

        for($i = 0; $i < 9; $i++) {
                if(-e "manpages-3/$f.$i.xml") { $found = 1; }
        }

        if(!$found) {
                print "'$f' does not have a manpage\n";
        }
}