--- /dev/null
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0
+#
+# Author: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+#
+# Produce manpages from kernel-doc.
+# See Documentation/doc-guide/kernel-doc.rst for instructions
+
+if ($#ARGV < 0) {
+ die "where do I put the results?\n";
+}
+
+mkdir $ARGV[0],0777;
+$state = 0;
+while (<STDIN>) {
+ if (/^\.TH \"[^\"]*\" 9 \"([^\"]*)\"/) {
+ if ($state == 1) { close OUT }
+ $state = 1;
+ $fn = "$ARGV[0]/$1.9";
+ print STDERR "Creating $fn\n";
+ open OUT, ">$fn" or die "can't open $fn: $!\n";
+ print OUT $_;
+ } elsif ($state != 0) {
+ print OUT $_;
+ }
+}
+
+close OUT;