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#!/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;